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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.
PC (Microsoft Windows) · Jan 12, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
21 achievements available.

Draw 10.000 cards
LockedSteam

Draw 1000 cards
LockedSteam

Use tarot card
LockedSteam

Defeat BlackJack
LockedSteam

Defeat Cigar
LockedSteam

Defeat Cora
LockedSteam

Defeat D3v3l0p3r
LockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Compete against Jack
LockedSteam

Defeat Leo
LockedSteam

Lose 30 times
LockedSteam

Pet the cat
LockedSteam

Hidden until unlockedSteam

Drug yourself to death
LockedSteam

Defeat Purk
LockedSteam

Play 64 rounds
LockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Defeat Wutch
LockedSteam

Pass the introduction
LockedSteam
Community notes