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One-In header art

One-In

4 players. One revolver. One decision.Spin, aim, and bluff your way through twisted rounds of risk and reward in this psychological multiplayer shooter.

Steam Page
Release
August 6, 2025
360 days ago
Steam Reviews
Positive28 reviews100.0%

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Game contextLatest: IGF Team
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Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
Updated: Jul 14, 2026Publisher statusHow the game's publishing relationship is classified.
Search Google: How is One-In and Tidecrest Studios funded?FundingThe known source of funding behind the game.
Updated: Jul 14, 2026Creative controlWho appears to retain creative control of the game.
Updated: Jul 14, 2026Release statusWhether and how the game has been released.

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About the Game

A deadly multiplayer mind game where Blackjack and R-Roulette collide with powers, betrayals, and luck.

A 4-player online multiplayer experience combining luck, strategy, and betrayal. Play two intense modes: Twisted Blackjack, where players face a corrupted dealer and each other using unique abilities and match mutations; and Russian Roulette, where every decision could be your last. Earn points, buy game-changing Totems, and survive unpredictable rounds.

A deadly game mode where you gamble your life for points and wins.

Face a dealer with one of 3 personalities, each using 7 unique abilities to control the table. Players buy their own loadouts, choosing from 10 powerful abilities, and battle each other while mutations twist the rules every match. Win rounds, earn points, and spend them on Totems to gain the upper hand. Outsmart your opponents, break the dealer, and take control of the game.

A Deadly Sequence Between Blackjack’s Phases

Spend your points between phases in Blackjack to buy powerful totems. Use them to bend rules, counter abilities, or sabotage other players. Every choice shapes the outcome.

A deadly game mode where you gamble your luck and your friends' lives

A brutal multiplayer mode where 4 players spin, choose, and shoot. Spare a life to gain abilities, or pull the trigger and pray. 6 chambers, one winner.