TwentyOne is a psychological single-player card game set in a corrupted city. Play as Gambit, a young man losing himself to save his collapsing family. Enter a high-stakes blackjack competition with twisted rules and illegal gambling. Play the game, or let the game play you.

It's 3 September 2049, in DreadTech City.

You play as Gambit, a young man desperately trying to save his collapsing family by joining this high-stakes rat race. Face off in blackjack against a series of unique opponents, each bringing their own twisted rules and dark energy to the table.

As the stakes rise, Gambit’s grip on reality slips. Watch as he falls into madness, plagued by hallucinations and a deteriorating mental state. To Gambit, there is only one goal left: become the Family Savior, no matter the cost.