Correct, we add 0.1% of all bets towards the jackpot. If a user is paying 1 credit to play the bonus game, we add 37.1% of that side bet towards the progressive jackpot.

You can check the expected return for all games by clicking the "expected returns" link at the top of your screen. All of our games have at least a 99.5% expected return. Craps comes in at the top with a 99.8% expected return, while video poker has the second best returns at 99.75% (0.25% house edge).