Yes, THE 4 SINS supports co-op.

Does THE 4 SINS have PvP?

Steam does not list PvP for THE 4 SINS.

Do we both need to own THE 4 SINS to play together?

Yes. THE 4 SINS is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play THE 4 SINS?

About 10 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Horror › Horror

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.…

How THE 4 SINS plays with friends, according to Steam

Online co-op: Yes
Local / split-screen co-op: Not listed on Steam
Online PvP: Not listed on Steam
LAN play: Not listed on Steam
Mods: Steam Workshop

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

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.

Or open the Steam store page.

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The Quarry

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White Knuckle

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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.
Do we both need to own THE 4 SINS to play together?: Yes. THE 4 SINS is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play THE 4 SINS?: About 10 players were in-game when this page's data was last refreshed (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; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass