Yes — co-op and PvP. Six Days in Fallujah is a tactical & milsim game released in 2023, 82% positive on Steam (14,627 reviews), with 143 playing right now. $23.99 on Steam.
Six Days in Fallujah is an intensely realistic first-person tactical shooter based on true stories from one of this century’s toughest urban battles.
Steam tags: Early Access, Tactical, FPS, Realistic, Military, Co-op, Singleplayer, Survival Horror
Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Six Days in Fallujah is one of them — then helps you pick tonight's game with a weighted roll or a bracket.
Compare our libraries Steam store pageTired of Six Days in Fallujah? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.
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.