Video Poker - Full pay games - Double Double Bonus

"Double Double Bonus" video poker is a variation of Jacks or Better which offers bonus payoffs for different four of a kinds, as seen in the payout table below. Full pay Double Double Bonus can be found with pay schedules that offer up to a theoretical return of 100.067%, when played with perfect strategy. It is also available with other pay schedules that have lesser theoretical returns:

Hand	1 credit	2 credits	3 credits	4 credits	5 credits
Royal Flush	250	500	750	1000	4000*
Straight Flush	50	100	150	200	250
Four Aces w/2, 3, or 4	400	800	1200	1600	2000
Four 2, 3, or 4 w/A-4	160	320	480	640	800
Four Aces	160	320	480	640	800
Four 2, 3, or 4	80	160	240	320	400
Four 5-K	50	100	150	200	250
Full House	10	20	30	40	50
Flush	6	12	18	24	30
Straight	4	8	12	16	20
Three of a Kind	3	6	9	12	15
Two Pair	1	2	3	4	5
Jacks or Better	1	2	3	4	5
Theoretical Return	98.9154%	98.9154%	98.9154%	98.9154%	100.067%*

*Notice the gap between the payoff for a Royal Flush played with 4 credits vs. one with 5 credits. Players who do not play with the maximum number of credits at a time are playing with a negative theoretical return.

From Wikipedia's

Contents - Video Poker