How to play Pump

Pump the balloon - every pump lifts the multiplier, and every pump might pop it. Pick your risk and cash out before it bursts.

How to play Pump

1. Choose your stake and a risk level.
2. Pump the balloon - every pump lifts the multiplier.
3. Every pump may also pop it, which loses the round.
4. Cash out before it bursts to keep your win.

Return to player

Pump returns 99% of what is staked over the long run. That is an average over a great many rounds, not a promise for any one of them.

Provably fair

Every round can be checked: a hash of the server's secret seed is shown before the round is played, and the seed is revealed afterwards, so the result can be recomputed and compared. The Fair button on the game opens the seeds, the history and a checker. How provably fair games work.

Questions people ask

What does the risk level change?

How likely each pump is to pop the balloon, and so how fast the multiplier grows.

What is the RTP of Pump?

Pump returns 99% of what is staked over the long run - its RTP, or return to player. Any single round can win or lose.

Is Pump provably fair?

Yes. Every round can be checked: a hash of the server's secret seed is shown before the round is played, and the seed is revealed afterwards, so the result can be recomputed and compared. The Fair button on the game opens the seeds, the history and a checker.

More house games: Crash, Chicken Road, Tower - or see every house game.