Gambling

You signed her contract. Now you press the button, forever. Every press fills the bar, every full bar drops chests, every chest spills cursed relics, and every relic makes the next press worth more. Fair trade?

A roguelite deduction game at a blackjack table. The devil deals - and cheats by a secret rule, a new one every floor. Watch the hands, cross out the suspects and name his scheme before suspicion closes in. Fifteen floors down, new house rules every run. A wrong guess costs your soul.