One-In
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About One-In
One-In is an online multiplayer game for four players that combines Blackjack and Russian Roulette with abilities, match mutations and shifting luck. You compete to earn points, buy Totems and survive unpredictable rounds across two modes.
Twisted Blackjack
In Twisted Blackjack, you face a corrupted dealer and the other players. The dealer has one of three personalities, each with seven unique abilities to control the table. Players choose their own loadouts from 10 abilities, while mutations change the rules from match to match.
You earn points by winning rounds and spend them between Blackjack phases on Totems. Totems can bend rules, counter abilities or sabotage other players. Your choices shape each round as you try to outsmart your opponents and break the dealer.
Russian Roulette
In Russian Roulette, four players spin, choose and shoot. You can spare a life to gain abilities or pull the trigger and rely on luck. The mode has six chambers and one winner.
Frequently asked questions
The best price for One-In is $4.99 at Steam. It is the only shop with an offer that activates in your country.
The minimum requirements for One-In are: Windows 10, GeForce GTX 750 Ti, Intel Core i3-8100, 8 GB RAM, 3.9 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
Yes. One-In is multiplayer only. It supports online PvP.
Yes. One-In is the full base game. You need nothing else to play it.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











