One-In – A Deadly Multiplayer Mind Game of Chance and Betrayal

5/9/2026, 11:45:03 AM

Release date: 8/6/2025

Tags: #multiplayer #action #dark #first-person #psychological-horror #gambling #pvp #casual #shooter #stylized #combat #card-game

User Reviews

Score: 100%Positive
Review Count: 10 reviews
Fetched At: 5/9/2026, 11:45:03 AM

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥580
Global Price: $4.99
Sale Status: Regular pricing
Price Checked At: 5/10/2026, 4:57:35 AM

Key highlight

One-In is a 4-player online multiplayer game combining luck, strategy, and betrayal in two intense modes: Twisted Blackjack and Russian Roulette. Earn points to buy game-changing Totems and survive unpredictable rounds i

🖥️ Hardware Guide for Comfortable Play

Based on the game's recommended specs, showing a comfortable performance target and example parts (PassMark reference)

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CPU

Game's recommended spec

Ryzen 5 3600 / i5-10400F

Comfortable play target

15,733 pts(~130% above spec of 12,102 pts)

Parts near this range

Intel Core i3-1220P15,680 pts Intel Core 5 32015,798 pts Intel Core i3-1220PE15,664 pts

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GPU

Game's recommended spec

GTX 1660 Super / RTX 2060

Comfortable play target

16,480 pts(~130% above spec of 12,677 pts)

Parts near this range

Details

Overview

"One-In" is a thrilling 4-player online multiplayer experience developed and published by Tidecrest Studios. This game masterfully blends elements of luck, strategy, and betrayal, offering a unique take on classic card and chance games. Players will find themselves immersed in a dark, first-person psychological horror setting where every decision could be their last. Prepare for intense rounds where survival hinges on your wits and the unpredictable nature of your opponents.

Highlights

Unique Game Modes: Engage in "Twisted Blackjack," where a corrupted dealer and unique abilities add a strategic layer, or test your fate in "Russian Roulette," where life and death hang in the balance.
Strategic Depth: Utilize game-changing Totems, purchased with earned points, to influence rounds and outmaneuver your rivals.
Immersive Setting: Experience a dark, first-person psychological horror atmosphere that amplifies the tension and stakes of each game.

Who It's For

This game is perfect for players who enjoy competitive online multiplayer experiences with a strong emphasis on psychological warfare, strategy, and a touch of luck. Fans of dark themes and intense, unpredictable gameplay will find "One-In" particularly engaging. If you thrive on outsmarting opponents and navigating high-stakes scenarios, this title is for you.