Is World War 3 co-op?

Steam's store page doesn't flag a co-op category, but players tag World War 3 as co-op.

Does World War 3 have PvP?

Yes, World War 3 has player-versus-player modes.

How many people play World War 3?

About 59 players were in-game when this page was built (2026-09-08).

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

Multiplayer games › Shooter › Tactical & milsim

Is World War 3 multiplayer or co-op?

Yes — co-op and PvP. World War 3 is a tactical & milsim game released in 2022, 54% positive on Steam (54,529 reviews), with 59 playing right now. Free on Steam.

PvPShooter · Tactical & milsim

World War 3 is a free-to-play tactical online multiplayer FPS where the world is your battleground. Outgun the enemy in thrilling, team-based skirmishes with a…

Steam tags: Free to Play, FPS, Multiplayer, Realistic, Online Co-Op, Tactical, Military, PvP

Do you and a friend both own World War 3?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether World War 3 is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Compare our libraries Steam store page

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Squad

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Arma 3

Tactical & milsim · 90% positive on Steam (283,264 reviews) · 7,181 playing right now

Ready or Not

Tactical & milsim · 89% positive on Steam (236,196 reviews) · 4,296 playing right now

Hell Let Loose

Tactical & milsim · 82% positive on Steam (137,677 reviews) · 3,380 playing right now

Tired of World War 3? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is World War 3 co-op?: Steam's store page doesn't flag a co-op category, but players tag World War 3 as co-op.
Does World War 3 have PvP?: Yes, World War 3 has player-versus-player modes.
How many people play World War 3?: About 59 players were in-game when this page was built (2026-09-08).

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 2026-09-08. Powered by Steam — not affiliated with or endorsed by Valve Corporation.