If the player is dealt 2 or 3 aces, then he will Bonus Hands. The player must play 10 credits per line to invoke the feature.Game is an optional feature on 3-play and 5-play video poker.The thrust of the game is if the player invokes the feature, by doubling his bet, then if he is dealt two or three aces then he will get extra hands on the draw and any new aces dealt will be 'sticky' for the rest of the hands not dealt to yet. One video poker variant I saw at G2E and now at is Stack 'em High Poker. Pros and Cons of Using Double up Option in Playing Video Poker Online.