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Is Outbreak: Endless Nightmares multiplayer or co-op?

Yes — co-op, plus local/split-screen. Outbreak: Endless Nightmares is a horror game released in 2021, 46% positive on Steam (35 reviews), with 1 playing right now. $14.99 on Steam.

Co-opLocal / split-screenSingle-player tooHorror · Horror

The nightmare continues for Lydia and her fellow survivors. Experience true horror in this co-op survival…

Steam tags: Action Roguelike, Horror, Survival Horror, Dungeon Crawler, PvE, Survival, Rogue-like, RPG

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Quick answers

Is Outbreak: Endless Nightmares co-op?
Yes, Outbreak: Endless Nightmares supports co-op.
Does Outbreak: Endless Nightmares have PvP?
Steam does not list PvP for Outbreak: Endless Nightmares.
How many people play Outbreak: Endless Nightmares?
About 1 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; page updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. How the data works · Legal & privacy · All types · Game Pass