




Twenty One
Developer: Neptune Corporation · Publisher: Neptune Corporation
You wake up in a velvet-draped casino that seems suspended in a void, run by faceless dealers and watched by an unseen Host. You're told you owe a "debt of existence" and must earn your right to live another day by beating the Quota. You have 5 rounds to meet the quota, or… you're out. Permanently.
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You wake up in a velvet-draped casino that seems suspended in a void, run by faceless dealers and watched by an unseen Host. You're told you owe a "debt of existence" and must earn your right to live another day by beating the Quota. You have 5 rounds to meet the quota, or… you're out. Permanently.
At a glance
- Platform: Windows.
- Genres: Indie, Free To Play.
- Release date: Mar 18, 2026.
- Steam user reviews: 9 user reviews (100% positive).
- Delivered as a Steam library entitlement — activation is handled by Steam.
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