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SupaJax is a Video Poker game which is a modified version of Jacks or Better. The SupaJax game adds an additional card to the deck, the ‘SupaJax’. This card does not help any hand other than 4 Jacks, where if the SupaJax is the fifth card the game pays out the progressive jackpot. The basic changes to the Jacks or Better paytable – other than the SupaJax payout – are a reduction of the Royal Flush, Full House and Flush payouts.

SupaJax is only available at Microgaming casinos;

Some notes on the table below;

– We’ve included both the 5 coin House Edge and the House Edge when playing 1-4 coins. The House Edge for 1-4 coins are the same and as such only one figure is listed. To find the house edge/paytable for 2-4 coins just multiple the 1 coin figure by the number of coins.


Microgaming5 coins1-4 coins
4oaK Jacks with SuperJax16416-615330
Royal Flush3000250
Straight Flush25050
Full House359
2 Pairs102
Jacks or Better51
House Edge(-1.67%)-6.26% 9.27%

* The paytables for 2, 3 and 4 coins are just the paytable for 1 coin multiplied by the number of coins. The House Edge for 1-4 coins are all equal at 9.27%.

* Microgaming documentation lists the House Edge for SupaJax as 9.57%. This House Edge could only be achieved if the 4oaK Jacks with SupaJax payout was reset at 0 and the player used a general Jack or Better strategy rather than a strategy optimized to the jackpot size.

* The negative house edge value indicates that the player has an edge over the house when the jackpot reaches a certain point. The breakeven point for this game is a jackpot of 52400 coins or $52400.


Paytable Analyser

If you encounter a different paytable you can use our Paytable Analyser to find the House Edge for the game.

Video Poker Payout Calculator

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Extra Coins Feature: 

Express Payouts in 1 Coin 5 Coins


Strategy Calculator

To find out the correct play for individual hands use our Strategy Calculator which will tell you the correct cards to hold for the paytable you are playing.

Video Poker Strategy Calculator

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Extra Coins Feature: 

Player Cards



Strategy Trainer

If you intend to play a lot of SupaJax we would advise learning the optimal strategy for the game you’ll be playing. Below you’ll find a strategy trainer that will allow you to practice the game and correct you when you make mistakes;

Video Poker Strategy Practice

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Extra Coins Feature: 

Card Selection Random Manual
Play Statistics

Percent Correct
Average EV Lost
House Edge Increase   
Hands Per Minute
Hands Played


*All figures in this article rely on use of a strategy optimized to the specific paytable in use. Use of any other strategy will increase the House Edge. You can find the optimized strategy for any paytable using the calculators on this page.