Blackjack is a card game that, along with Roulette and Slots, is one of the most popular games in casinos, both online and offline. The game is played against a Dealer with the aim of getting a higher score than them and as close to 21 as possible without ‘Busting’ – going over. The following outline explains the basic rules of standard blackjack (21), along with the house rules most commonly featured in casinos. Should bear in mind, though, that blackjack rules vary from casino to casino, and check. For local variations before playing. Blackjack is played with an international 52-card deck. Blackjack Split Rules. Resplit - This very common rule allows splitting pairs in one hand, usually, up to three times. As a result, up to four hands can be created from one. Some casinos only allow one Split and a few allow six or infinite Splits. Resplit Aces - Adding this rule allows resplitting of a pair of Aces. This rule is fairly rare.

1. Blackjack Rules King Reverse Mortgages
2. Blackjack Rules King Reverse Lunge

Blackjack is a card game that, along with Roulette and Slots, is one of the most popular games in casinos, both online and offline.

The game is played against a Dealer with the aim of getting a higher score than them and as close to 21 as possible without ‘Busting’ – going over. It is normally played with either 6 or 8 decks of cards and can involve several other Players, all of whom are playing directly against the Dealer.

How to Play Blackjack

Goal of the game

The aim of the game is to beat the Dealer’s hand. You do this by getting your hand as close to 21 as possible without going over this amount and ‘Busting’.

Card values

1. All numbered cards from 2 to 10 are counted at face value.

2. All picture cards (Jack, Queen, and King) count as 10.

3. An Ace can be either 1 or 11.

Setting-up the game

1. Set your budget – We recommend that you take the equivalent of 40 hands to a table before you sit down and start playing.

2. Choose your table – All will have a minimum and maximum amount you can bet, choose one where you can play a hand for around a fortieth of your budget. i.e. if you have a bankroll of £200, you should be looking at playing £5 per hand.

3. Take a seat – You can choose any empty seat at the table, more than one if you wish, and whilst the choice of the seat makes no difference to the outcome of any given hand, the Dealer starts from one end when dealing and the action starts with the first Player to be dealt with and goes around until everyone has finished.

4. Decide how much you would like to change up and play with. These funds are then changed into Chips which are used for the game, you can cash them into real money and walk away at the end of any hand.

Blackjack Rules

1. Place your bet (Remember, if there is room at the table you can play more than 1 hand if you do this you will need to place a bet for each hand you wish to play).

2. You will be dealt 2 cards face up so all other Players and the Dealer can view them.

3. The Dealer normally deals 2 cards for him/her, 1 face-up, and 1 face down. Some versions of Blackjack see the Dealer giving themselves 1 card only at this point (in this case, the 2nd card is dealt face up after all Players have finished their actions).

4. You now need to decide your move on each of your hands. The 2 main choices are Hit or Stand. Hit means receive another card. Stand means you don’t want another card and you are satisfied with what you have. If you Stand, you take no further action in the hand, if you Hit you have the same decision to make again after receiving your next card. There are sometimes 3 other decisions you can make, Double, Split, and Insurance. These will be explained later.

5. After all, Players have completed their hands, the Dealer deals him/herself cards until they have at least 17. It is worth noting that the Dealer has no say in what they do, they have to Hit until they get at least 17, even if all Players have only 15 and the Dealer has 16.

6. Once the dealer has 17, 18, 19, 20, or 21 he will Stand. If he gets 22 or more, the dealer busts, and all Players left in the hand win.

As mentioned above, there are 3 other actions you can sometimes take:

Double Down

This Doubles your bet (you need to place a further bet the same amount as your initial bet) and gives you 1 further card, after which your hand is finished irrespective of what card you get. If you win, you get Double your total bet.

You would normally only Double if you have a 9, 10, or 11 and the Dealer doesn’t have an Ace or a 10 – See the chart below for more details.

Split Cards

If you get 2 cards of the same value, you can Split them and play with 2 hands, each containing 1 of the cards. You will need to pay a bet equal to your initial bet and you will get dealt another card for each hand. You then decide for each hand whether to Hit or Stand. If you get 21 after Splitting, this only counts as 21 and not Blackjack. If you Split Aces, you will only get dealt 1 more card and will then need to Stand. At most casinos, if your 2nd card is the same as the first, you will be allowed to Split again if you wish.

Blackjack Insurance

If the Dealer shows an Ace as their face-up card, all Players have the option of Insurance. If you choose to take Insurance, you will place a bet equal to half your initial bet. If the Dealer then gets Blackjack, so the 2nd card has a value of 10, you will get Double your bet, if not you lose the Insurance bet.

The game ends

1. The hand ends for a Player when either your hand goes over 21 meaning you Bust and lose your bet, or when the Dealer completes their actions.

2. Once the Dealer has completed their action, the payouts take place for all remaining Players still in the hand.

3. If you have a higher total than the Dealer and both totals are 21 or below, you win the hand and get Double your bet. If you and the Dealer have the same total, you Push the hand and get your stake back (Unless one of you has 21 with their first cards, known as Blackjack and the other has 21 with 3 cards or more, in which case whoever has Blackjack will win the Hand). If the Dealer has a higher total than you and both are 21 or less, the Dealer wins and you lose your stake.

4. If the Dealer gets over 21, they Bust and all remaining Players win Double their stake.

5. If you get 21 with 2 cards, you have Blackjack, and if the Dealer doesn’t have 21 with their first 2 cards, you get 1.5 your bet back, as well as the bet itself – equivalent to 2.5 times your bet. If the Dealer also has Blackjack, you Push and get your stake returned.

Blackjack Definitions

Hit

Hit means to draw another card. You can request a hit as many times as you like, but if your total goes over twenty-one, you will bust and lose the hand.

Stand

Stand means the player receives no more cards. The hand as it currently stands will be judged against the dealers.

Split

If you have two cards of the same denomination, a Split button will appear. You can split your cards into two hands and play each hand separately. Your original bet will be duplicated for the new hand. Each hand will be played out as usual except when splitting Aces, where only one additional card per hand is dealt. The split option can only be used once per hand — you cannot split part of a split hand. Any winning 21 obtained after splitting a pair is paid 1-to-1.

Double Down

If you select this option, two things will happen: you will get exactly one more card, your turn will end, and your bet will be doubled.

Surrender

Where permitted (usually on a Blackjack Surrender table), a player may give up his first two cards and lose only one-half his original bet.

Blackjack Payouts

If you win the hand, you will get back your original bet plus the same amount in profit. A hand that consists of an Ace and any ten-value card is called a natural twenty-one, or a natural blackjack (except in the case of a Split hand – see details above). If you win with a natural blackjack, you will be paid off at three-to-two, which means you get your original bet back plus a 150% profit. (So if you bet £50 and win with a natural twenty-one, you get £50 (your bet) plus £75 (your bet plus half of your bet), which totals to £125).

Blackjack Odds

Knowing the blackjack odds will make you a better player and hopefully beat the odds when playing at a casino. If you want to apply any gambling strategy successfully you need to know the odds of the game you’re playing. It goes without saying but we’ll say it anyway: the odds are always in favor of the house. How else do you think they can create billion-dollar mega-casinos in Las Vegas? The Blackjack rules are carefully structured to ensure a house edge. But just how heavily are the Blackjack odds weighed in favor of the house? If you’re a smart player, you know the house edge not as great as one might think – and certainly not insurmountable. You will be able to calculate the following:

1. Blackjack odds variations
2. Odds of busting
3. Player advantage VS dealer up-card

Blackjack Odds Variations

If you want to be serious about playing blackjack you need to be able to calculate your odds for the game you’re playing. The blackjack odds depend on the different types of rule variations. Some online blackjack sites can be unclear about this so you need to pay attention. You can also adjust your blackjack strategy according to these rules. The following table shows the effect that rule variations have on the player’s expected return after taking the proper strategy adjustments. These changes are relative to the standard Atlantic City rules which result in a player’s expected return of -0.43%: 8 decks, dealer stands on soft 17, the player can double on any first 2 cards, the player may double after splitting and the player may split to 4 hands. I will explain some of the rule variations under the table.

Five, six and seven-card Charlie:

a Charlie is an automatic winner, so in a six-card Charlie the player wins on any six-card hand that didn’t bust.

No-peek rule:

The dealer doesn’t peek to see if he has a Blackjack.

How to calculate? You start with the basic Atlantic City rules (-0.43%) and take the rule variations according to the game you are playing to calculate the effect it has on the expected return. For example “Player may double on any number of cards” (+0.23%) and “Player may not resplit” (-0.10%). The expected player return would now be -0.43% +0.23% -0.10%= -0.30%. These blackjack odds (-0.30%) are better for the player than under the standard Atlantic City rules (-0.43).

Blackjack Odds of busting

This table is used to calculate the blackjack odds of the player busting if he hits. This can be useful but I think a smart person already knows that if he hits on 16 he has more chances of busting when he hits on 12.

Player advantage VS the dealers up-card

This table is more useful than the odds of busting because it calculates how much the dealer’s up-card has a positive effect on your odds and the odds of him/her (the dealer) busting.

Blackjack Basic Strategy

For Blackjack Basic Strategy the first thing to look at is the tables below. This has details of what you should do to optimize your chances with every version of your starting hand versus the Dealers visible card.

It is useful if you can remember this as best you can to give you the best possible advantage against the House.

If your hand contains an Ace, look at the 2nd chart, if you have a pair the same value, look at the bottom chart. For all others, the top chart is the place to look.

Blackjack Chart

Blackjack Rules King Reverse Mortgages

Use this Blackjack strategy chart as a cheatsheet if you will. It will help you memorize what actions to take with your opening hand.

How to Play Hard Hands:

A hard hand is two starting cards that do not contain an ace.

If you have eight or less, always Hit.
If you have Nine: Double if the Dealer has 3 to 6 – otherwise Hit.
If you have Ten: Double if the Dealer has 2 to 9 – otherwise Hit.
If you have Eleven: Double if the Dealer has 2 to 10, Hit if the Dealer has Ace.
If you have Twelve: Hit if the Dealer has 2 or 3, Stand if the Dealer has 4 to 6, otherwise Hit.
If you have 13- 16: Stand if the Dealer has 2 to 6, otherwise, Hit.
If you have 17 – 21: Always Stand.

How to Play Soft Hands:

A soft hand is when one of your starting hands contains an ace.

If you have Ace 2 or Ace 3: Double if the Dealer has 5 or 6 – otherwise Hit.
If you have Ace 4 or Ace 5: Double if the Dealer has 4 to 6 – otherwise Hit.
If you have Ace 6: Double if the Dealer has 3 to 6 – otherwise Hit.
If you have Ace 7: Stand if the Dealer has 2, 7 or 8. Double 3 -to 6 – otherwise Hit.
If you have Ace 8 or Ace 9: Always Stand.

How to Play Pairs

If you have a pair of Aces or Eights: Always Split.
If you have a pair of twos or threes: Split if the Dealer has 2 – 7, otherwise Hit.
If you have a pair of fours: Split if the Dealer has 5 or 6 – otherwise Hit.
If you have a pair of fives: Double if the Dealer has 2 to 9 – otherwise Hit.
If you have a pair of sixes: Split if the Dealer has 2 to 6 – otherwise Hit.
If you have a pair of sevens: Split 2 to 7 – otherwise Hit.
If you have a pair of nines: Split 2 to 6, and 8 or 9. Stand if the Dealer has 7, 10 or Ace.
If you have a pair of tens: Always Stand.

Strategy Card

Blackjack Tips

Taking Insurance or Even Money

Blackjack is a gambling game, so hedging your bet and playing safe by taking Insurance or even money doesn’t make much sense. In around 7 out of ten instances the Dealer shows an Ace they will not have blackjack, so buying Insurance is a losing long-term strategy and should be avoided.

Splitting Tens when Dealer shows 6

It is always a good idea to maximize your bets when the Dealer shows a 6 as this gives them the biggest chance of Busting, and although you will still expect to make money if you Split (less than $18 extra per $100), you can expect to make over $70 per $100 in bets by doing nothing and Standing on 20. There is a high chance that the Dealer will Bust, so always Stand on a hard 17 or greater.

Standing on 16 when Dealer shows Ace

Standing on 16 when the Dealer has a Ten is not nearly as bad as when the Dealer has an Ace. There is a good chance you will Bust when Hitting on 16, but at least you give yourself a chance to win or push the hand, otherwise in order to win you have to count on the Dealer Busting with an Ace.

Standing on Soft 18 when Dealer shows 6

As mentioned above, the Dealer having a 6 is the best possible hand for the Player as it presents the best chance of the Dealer Busting. You need to, therefore, try and maximize your returns in this situation, so Double and try to take down a bigger win. You can’t bust by taking one more card, so go for it!

Standing on Soft 18 when Dealer shows 9

This is a common one, and although 18 isn’t a bad total in Blackjack, when the Dealer has a 9 there is a high chance they will get a Ten or an Ace (38% of the time to be exact), so give yourself a chance to win and Hit it!

Hitting 11 when Dealer shows Ten

One of the best things about Blackjack is being able to control when to put more money on the table. If you have an 11 and the Dealer doesn’t get more money down by Doubling. You can expect to make about $18 for every $100 you bet, while Hitting will only earn you about $12.

Standing on a 12 when Dealer shows 2

This one divides Players a lot as plenty won’t want to risk Busting. However, there are plenty of cards that can save a Dealer who has a 2, so instead of hoping they Bust, take another card and try and get a better total.

Doubling 11 when Dealer shows Ace

Any time the Dealer has an Ace you need to be cautious. Just Hit instead of Doubling, there is no point betting more money against the Dealers Ace.

Hitting 2/2 when Dealer shows 7

Another important one of our Blackjack tips. Twos are actually reasonable cards to start with for a Player. It is likely the Dealer has a “stiff hand” or a 17, therefore Split that 2/2 and make some money.

Hitting 4/4 when Dealer shows 6

There is a consensus that you should Double 4/4 against a 6 to try and maximize your returns as the Dealer has a high chance of Busting, but we would recommend you Split the hand against a Dealers 6. When the Dealer shows a 6, you generally want to play as many hands as possible because the Dealer is likely to Bust.

Related Blackjack Articles:

Counting Cards in Blackjack
Blackjack Multi-Deck vs Single-Deck
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Contents

Introduction and Alternative Names

Crazy Eights is a game for two or more players, in which the object is to get rid of the cards in your hand onto a discard pile by matching the number or suit of the previous discard.

There is a huge number of variations of this game, and many alternative names. Itis sometimes called Crates, Switch, Swedish Rummy, Last One or Rockaway. In Germany it is Mau-Mau; in Switzerland it is Tschausepp; in the Netherlands it is Pesten. Some British players call it Black Jack, which is unfortunate as it can lead to confusion with the well-known American banking card game Blackjack.

Basic Game

The basic game of Crazy Eights uses a standard 52 card pack, or two such packs shuffled together if there are a lot of players. The dealer deals (singly) five cards to each player (seven each if there are only two players). The remainder of the pack is stacked face down on the table as a stock from which cards will be drawn. The top card of the stock is turned face up and placed beside the stock to start the discard pile.

Starting with the player to dealer's left, and continuing clockwise, each player in turn must either play a legal card face up on top of the discard pile, or draw a card from the undealt stock. The following plays are legal.

1. If the top card of the discard pile is not an Eight, you may play any card which matches the rank or suit of the previous card (for example if the top card was the king of hearts you could play any king or any heart).
2. An Eight may be played on any card, and the player of the Eight must nominate a suit.
3. If an Eight is on top of the pile, you must play either another Eight or any card of the suit nominated by the person who played the Eight.

If an Eight is turned up by the dealer as the first card of the play pile, it is treated as though the dealer had played it. The dealer looks at his or her hand and nominates a suit, and the first player must play a card of that suit or another Eight.

A player who has only one card left in their hand must alert the other players by saying 'last card'. A player who fails to do this before the next player takes their turn must draw two cards from the top of the stock as a penalty.

The first player who gets rid of all their cards wins, and the other players score penalty points according to the cards they have left in their hands - 50 for an eight, 10 for a picture, and spot cards at face value (one point for an ace, two for a two and so on).

If the stock pile is exhausted, the played cards, except for the last card, are shuffled and stacked face down to make a new stock and the game continues.

Special Cards

Apart from the Eights, usually there are other cards that have special effects when played. Typical rules are as follows.

Skip

When a Queen is played, the next player in rotation misses a turn, and the turn passes to the following player. In a two-player game the opponent is skipped and the same player plays again.

Reverse direction

When an Ace is played, the direction of play reverses, becoming anticlockwise if it had been clockwise, or vice versa. In a two-player game an Ace has no effect.

Draw cards

When a Two is played the next player must either draw two cards or play another Two (an Eight cannot be played in this case). If several Twos have been played by consecutive players, the next player must either play another Two or draw two cards for each two in the sequence. The penalty cards cannot be played in the same turn - after the penalty cards have been drawn, the turn passes to the following player, who can continue with any card of the same suit as the last Two, or another Two or an Eight to change suit.

If one of these special cards is turned up as the first card of the play pile, it is treated as though the dealer had played it. If the turned up card is an Ace, play begins anticlockwise and the player to dealer's right has the first turn. If the turned up card is a Two the first player must play another Two or draw two cards. If the first card is a Queen, the first player is the the player two places to the left of the dealer.

If the last card played by the winner happens to be a special card, the special effect is ignored. For example the card on top of the play pile is the 10 and the next player's only remaining card is the 2. The player plays the 2 and immediately wins. The hands are scored as they are - no one has to draw cards as a result of the 2.

Variations

Crazy Eights is one of the easiest games to modify by adding variations. In particular the roles of the special cards are often changed, for example using a different card, such Jack instead of Queen to cause the next player to skip a turn, or Four instead of Ace to reverse direction. Sometimes there will be additional special cards with other effects - for example it may be agreed that the Queen of Spades requires the next player to draw 5 cards. The result is that almost every group of players has their own house rules, and it would be rare to find two groups that play exactly the same way.

Deal

The number of cards dealt to each player initially may vary. For example some begin with eight cards each.

Drawing Cards

In the normal game, you may always use your turn to draw a card. However, some people play that you may only draw if you are unable to play - if you can play you must.

Some allow the drawn card to be played immediately if it is a legal play.

Some allow more than one card to be drawn - either up to a fixed number of cards, after which if you still cannot (or will not) play the turn passes to the next player. Others require you to continue drawing until either you can play or the deck is exhausted.

Changing Suit

The special card that changes suit is nearly always the Eight, at least in places where the game is called Crazy Eights. In many countries and regions the equivalent game goes by other names and a different card may be used to change suit - for example in the British game Switch it is often the Ace, and some other variants use the Jack or the Seven.

Some play that you can only play an Eight that matches the previous card's suit or rank.

Some play that you can play an Eight at any time but when playing an Eight you do not nominate a suit. The next player must simply match the suit of the Eight you played or play another eight.

One correspondent (Szu Kay Wong) gives the rule an Eight can be played on any card, but the player can only nominate a different suit if the Eight matches the rank or suit of the previous card. Some players use jacks or aces rather than eights as the cards which have the power to change suit.

Multiple Equal Cards

Some allow a player holding two or more equal ranked cards to play them all at once, provided that the first of them is a legal play. If they are special cards all the special effects take place. For example if the top card of the play pile is the 5, the next player could play 9, 9 and 9 in that order, and the next player would have to play a 9 or a heart. If the equal cards are special cards all the special effects take place. For example if an Ace reverses direction, playing two Aces together will reverse it twice, leaving the direction of play unchanged. If a Queen skips the next player, a pair of Queens will skip two players (in a two-player game that would be your opponent's turn and your own next turn, leaving your opponent to play next). If a Two requires the next player to pick up twos cards, a pair of Twos will require the next player to pick up 4 cards (or play another Two).

Last Card

Some groups have a special word that must be said by a player when they have just one card left. On the other hand, some groups do not require a player with one card to warn the other players.

End of Stock Pile

When the stock pile is exhausted, the rules given in most books to not envisage shuffling the play pile to make a new stock. Instead they specify that play continues without drawing. A player who cannot or does not wish to play just passes. If all pass, the game is blocked. Play stops and everyone scores for the cards remaining in their hands. I think that in practice this version of the game is rarely played.

Crazy Eights Countdown

This variant has become popular in North America. Each player begins the game with a score of 8, and eight cards are dealt to each player. When a player gets rid of all their cards, this does not end the play. Instead, the player subtracts 1 from their score, and is immediately dealt a new hand of cards equal in size to their new score. The other players keep the cards that they have and the play continues. The winner of the game is the first player who reduces their score to zero.

Each player's current score determines the rank of the card that is wild for them. So at the start of the game everyone has Eight as their wild card, and the game is like normal Crazy Eights. But later in the game it is possible for each player to have their own, different rank of wild card, which can be played on any card and allows the player to nominate the suit to be played next. Each time a player runs out of cards, their wild card changes, first from Eight to Seven, then Six and so on down to Ace. When a player with a score of 1 and Ace as wild card runs out of cards, their score becomes 0 and they win the game.

The changing wild card introduces several new situations and players need to agree how to resolve these. The following rules are suggested.

1. When a wild card is played, the player nominates a suit. The next card played must either be a card of that suit or the player's own wild card.
• Example. My score is 6. I play the 6 and nominate hearts. If the next player's score is 7 that player must either play a heart, or play a wild 7 to nominate a suit, or draw a card. The next player is not allowed to play (for example) the 6 even though the rank is the same as my wild Six.
2. When a player's wild card rank also has a special effect, the player nominates a suit and the card also acts as a special effect card as follows.
• Wild / Skip. The next player is skipped and the following player must play the nominated suit or a wild card. For example, suppose that our house rule is that 4 skips the next player, 4 is my wild card, and I play the 4 nominating diamonds. The next player is skipped and the player after that must play a diamond or one of their own wild cards.
• Wild / Reverse. The direction is reversed and the next player in the new direction must play the nominated suit or a wild card. For example, suppose that Aces reverse direction. We are playing clockwise and I play the A nominating spades. The direction reverses to anticlockwise and the player to my right must play a spade or one of their own wild cards.
• Wild / Draw Two. The next player must either draw two cards or play a Two of the nominated suit. For example, the players in order and their scores are A(2), B(5), C(6). Player A plays the 2 nominating clubs. Now B must either play the 2 or draw two cards. If B plays the 2, C must either draw four cards or play any Two (since the 2 was not wild). If B draws 2 cards, C must play a club or a wild 6 or draw a card, since clubs was the suit nominated by A. Another example: player A plays the wild 2 and nominates diamonds. Assuming that we are playing with a single deck, player B is forced to draw two cards, and C will then have to play a diamond or a wild card. Playing with a double deck, B's only legal play to avoid drawing two cards would be the other 2.

Here is a blog post and discussion about Crazy-8-Countdown describing a version in which Jacks skip the next player, Twos make the next player draw two cards or play another Two as usual, and the Queen of Spades makes the next player draw five cards. Multiple cards of equal rank can be played together. No 'reverse direction' card is mentioned. As in normal Crazy Eights, when multiple cards are played in one turn and some or all of them are special cards, the special effects apply even for cards that are covered, but it is the last card played that has to be followed by the next player.

Variant: Some groups allow a card of equal rank to be played on a wild card even if it is not in the called suit. For example a wild 5 is played calling 'diamonds' but the next player plays 5 instead of a diamond, even though 5 is not wild for them. This rule is the most frequent cause of arguments in this game so it is a good idea to agree in advance whether your house rules allow this play or not.

Gordon Lancop's Crazy Eights Countdown app for Android features special cards for Skip, Reverse, Draw Two and Draw Five which can be configured according to the player's preference.

Other variants described on this and other websites

See the following pages on this site:

• Crates, described by Richard Hussong.
• Spoons, described by Bruce McCosar.
• Last One, contributed by Mark Alexander.
• Bartok, in which the rules are modified during the game.
• Mao, in which the rules may not be discussed.

More pages with rules of Crazy Eights variants:

• Jose M. Carrillo-Muniz describes Ocho Locos, a version of Crazy Eights played in Puerto Rico.
• Justin Tuijl's description of Jack Change, another variation (archive copy).
• Jean-François Bustarret's site has rules of Huit Américain in French.
• The site Cribbage.ca has a description of a French Canadian variation known simply as Huit (eight).
• Crazy Eights rules are available on the Card Game Heaven site.

Several Crazy Eights variants contributed by readers are listed in the Invented Games section of this site.

There have been many commercial versions of eights, designed to be played with specially produced packs of cards. Probably the best known of these is Uno, for which there are also many invented variations.

Crazy Eights software and online games

The collection HOYLE Card Games for Windows or Mac OS X includes a Crazy Eights program, along with many other popular card games.

TrapApps offer online versions of many slightly different Crazy Eights variants: Crazy Eights, Crazy Eights Zimbabwean, Irish Switch, Jacks, Twos and Eights, Last Card, Macao, Macau London, One-Card, Pesten, Puskiyon, Switch, Switch Black Jack and Take Two. Also Crazy Eights Countdown.

At GameDuell, you can play Crazy Eights online.

Malcolm Bain's shareware Agony for Windows, which plays a Greek variation of Crazy Eights, is available from Card Games Galore.

You can play Crazy Eights online at CardzMania.com

Blackjack Rules King Reverse Lunge

At Solitaire.com you can play Crazy Eights or the corresponding Dutch game Pesten or German game Mau Mau online against the server.

You can download Laurent Pellenc's Crazy Eights Program for Windows from his page.

Mike's Cards includes a Crazy Eights program for Macintosh and Windows computers.

Games4All have published a Crazy Eights game for Android.

The Crazy Eights Deluxe program is available from Unique Games

PlayOK (formerly known as Kurnik) offers the similar Polish game known as Makao (which is listed at PlayOK/Kurnik as Switch).

Gameslush.com offers an online Crazy Eights game against live opponents or computer players.

At DKM Crazy Eights from the CardSharp suite you can play two-player Crazy Eights online against a computer opponent.

Einar Egilsson has published a free Java Crazy Eights program with which you can play online against one computer opponent.