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Is THE 4 SINS multiplayer or co-op?

Yes — co-op. THE 4 SINS is a horror game released in 2024, 24% positive on Steam (3,942 reviews), with 10 playing right now. $9.99 on Steam.

Co-opHorror · Horror

THE 4 SINS is a multiplayer puzzle game in horror atmosphere. It is adapted from a local offline escape room which has gained public recognition for its story.…

Steam tags: Horror, Logic, Party-Based RPG, Drama, RPG, 3D Platformer, Puzzle, Strategy

Do you and a friend both own THE 4 SINS?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether THE 4 SINS is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

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Tired of THE 4 SINS? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is THE 4 SINS co-op?
Yes, THE 4 SINS supports co-op.
Does THE 4 SINS have PvP?
Steam does not list PvP for THE 4 SINS.
How many people play THE 4 SINS?
About 10 players were in-game when this page was built (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation.