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Six-card stud is usually played as identical to seven-card stud, except that the last face-up round is removed (Thus it is two down, three up, one down). It can also be played as 1-4-1, where the first betting round occurs after only two cards are dealt (one down and one up). This latter form more closely resembles five-card stud with an extra downcard.

A variation called Alligator stud starts with one hole card and one upcard, followed by a first betting round; then two upcards are dealt to each player followed by a second betting round; then a fourth upcard and betting round, and finally a fifth upcard and betting round. This game plays well at no limit and pot limit. The same game, but with each player initially dealt two downcards and one upcard, and restricted to using only one of his downcards in his final hand, is called Zanetti stud.

Razz is seven-card stud played with ace-to-five low hand values. It is usually played with a bring-in, paid by the player with the highest-ranking upcard on the initial deal (aces are always low cards in Razz, even for the purpose of assigning the bring-in). On the second and subsequent rounds, the player with the lowest exposed hand starts the betting.

London lowball is seven-card stud played with ace-to-six low hand values. It is usually played at pot limit or no limit, and is otherwise identical to Razz.

Here's a sample Razz deal (suits are omitted here because they are never of consequence in Razz; in London lowball, a flush cannot play as a low hand but otherwise they don't generally matter either). Alice deals each player two downcards and then one upcard: Bob's upcard is a J, Carol is dealt a 3, David an A, and Alice a 4. Bob's J is the high card (David's A is low), so he pays a $1 bring-in. Carol, David, and Alice all call. Now Bob is dealt a 9, Carol another 3, David a 4, and Alice a 2.

Mississippi stud was created to make seven-card stud play better at no limit and pot limit, and is slowly becoming popular for that reason. It is also often played with a betting structure more typical of Texas hold 'em: fixed limit with the last two rounds double the limit of the first two. The bring-in should be less than the first-round limit.

Initial deal as in standard seven-card stud. After the first betting round, two upcards are dealt to each player, so each now has two down and three up (so unlike standard stud there is no betting on "fourth street"). A second betting round is followed by one more upcard and a third betting round. Finally, the last card is dealt face up, so that each player ends with two downcards and five upcards. Because each player has five upcards on the last round, straights, flushes, and full houses count as "high hand exposed" for the purpose of determining who must bet first. After the seventh street bet there is a normal showdown.

Can also be played with low hands, or high-low split.

Also known as "seven eight" or "stud eight", eight or better is the most common form of high-low split stud. Played as seven-card stud, but the pot is split between the player with the highest hand and the player with the lowest hand (using the ace-to-five low values). An 8-high hand or lower is required to win low. Betting takes place as if playing standard high-hand stud; that is, low card pays the bring-in, if any, on the first round, and subsequent rounds start the betting with the highest showing poker hand. The showdown is cards speak, that is, there is no declaration for high and low. Each player may choose a different subset of five cards to play for high and low. For example, a player with A-A-8-6-6-4-3 can play a high hand of A-A-6-6-8, and a low hand of 8-6-4-3-A. A player with K-9-8-7-6-5-4 can play a 9-high straight for his high hand, and 8-7-6-5-4 for low (which is the worst possible qualifying low, but it does qualify). A player with K-9-8-7-7-6-5 can play the 9-high straight for high, but cannot play any low hand, because he cannot make an 8-high or lower. If there is no qualifying low hand, high hand takes the entire pot.

Various forms of roll your own five-card stud, often with a stripped deck and wild cards, are called Mexican stud, Mexican poker, or Stud loco. One such variant played by the Casino San Pablo in northern California has these rules: 8s, 9s, and Ts (T = 10) are stripped from the deck, and a single joker is added (the deck therefore contains 41 cards). The 7-spot and the J become consecutive, so that 5-6-7-J-Q is a straight. A flush beats a full house (with fewer cards of each suit, they are harder to get). The joker plays as a bug if it is face up, and fully wild if it is face down. The game is played as five-card stud choose-before roll your own. It is usually played with a very high ante, and the high card on the first round pays the bring-in.

The game of Shifting sands is Mexican stud in which each player's hole card (and all others of that rank) are wild for that player only.

• Five-card stud played high-low split with an added twist round is called Option alley or five-card option. The game Canadian stud or Sökö is five-card stud with two new hand values added: a four-card straight beats one pair, a four-card flush beats a four-card straight, and two pair beats both of the above.
• The term English stud is used ambiguously to refer to several games, including six-card stud played 1-4-1 with a twist (also called six-card option), London lowball, and a seven-card stud game where both sixth street and seventh street are twist rounds.
• In the game of seven-card flip, each player is dealt four cards face down, and chooses two of them to turn up. All cards are turned up simultaneously after everyone has chosen. As this point, the game proceeds as if it were standard seven-card stud starting on fourth street.
• Kentrel, or "48", is a seven-card stud variation which starts with each player being dealt four downcards. Each player must then discard one, choose one of the remaining three to turn face up (leaving two down and one up as normal), and then proceed as with eight-or-better high-low stud.