Games like Rules of Engagement: The Grey State
If Rules of Engagement: The Grey State is your kind of game, the closest matches are P.R.I.M.A.L. Keepers, Escape from Tarkov and Delta Force — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Rules of Engagement: The Grey State: A horror-infused extraction shooter for squads of three. Crush monster hordes with devastating firepower in co-op PvE, or take on rival squads for The Vertex in PvP. Choose your battle, push as far as you dare, and make it out alive.
Players who liked Rules of Engagement: The Grey State also play
Steam players who put hours into Rules of Engagement: The Grey State also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
P.R.I.M.A.L. Keepers
WHY THIS
Top pick for Rules of Engagement: The Grey State fans by collaborative filtering across millions of Steam libraries. Shares Action with Rules of Engagement: The Grey State.
P.R.I.M.A.L. Keepers is a multiplayer survival game set in the distant future, 100 years after the catastrophe of a colony ship. Humanity has become trapped within an unknown star system. Players must work together and fight for survival during desperate evacuation attempts.
ActionSteam ↗Escape from Tarkov
WHY THIS
Second-strongest match for Rules of Engagement: The Grey State fans by collaborative filtering across millions of Steam libraries. Shares Action and RPG with Rules of Engagement: The Grey State.
Escape from Tarkov is the original extraction FPS where every raid is a gamble with death. Prep your raid, bleed, endure and fight through ruthless PMC players and Scavs, gain tactical advantage and cling to your loot — only extraction decides if you live or lose it all.
Delta Force
WHY THIS
Third-strongest match for Rules of Engagement: The Grey State fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Rules of Engagement: The Grey State.
Play for free in operator-based extraction and full-scale combined arms warfare. Become elite Operators, customize an ever-expanding arsenal of weapons, and deploy into thrill-packed missions across multiple modes.
Wildgate
WHY THIS
Ranked #4 for Rules of Engagement: The Grey State fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Rules of Engagement: The Grey State.
Wildgate is a PvPvE multiplayer shooter that blends tactical ship-to-ship combat with fast-paced first-person action. Evade deadly environmental hazards, search for powerful weapons and ship upgrades, and be the first crew to escape with the Artifact... or the last crew left flying.
The Cycle: Frontier
WHY THIS
Ranked #5 for Rules of Engagement: The Grey State fans by collaborative filtering across millions of Steam libraries. Shares Action and Free To Play with Rules of Engagement: The Grey State.
The Cycle: Frontier is a free-to-play PvPvE Extraction Shooter driven by suspense and danger. Prospect for resources and other riches on an abandoned alien world ravaged by a deadly storm, inhabited by monsters and other ambitious Prospectors.
Vaultbreakers
WHY THIS
Ranked #6 for Rules of Engagement: The Grey State fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Rules of Engagement: The Grey State.
Vaultbreakers is a top-down Extraction RPG where you go on PvE or PvPvE adventures. Build your haven, loot ancient artifacts that shape your playstyle, and explore a vast, corrupted world, alone or with friends. Use preparation, knowledge, and skills to clear your path to the Dragonvault.
Level Zero: Extraction
WHY THIS
Ranked #7 for Rules of Engagement: The Grey State fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Rules of Engagement: The Grey State.
Tactical extraction shooter meets immersive survival horror. Play as rival mercenaries fighting for loot, or as alien monsters hunting humans from the shadows. Solo or with friends, experience this unique dark take on asymmetrical PvPvE multiplayer.
RIO - Raised In Oblivion
WHY THIS
Ranked #8 for Rules of Engagement: The Grey State fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Rules of Engagement: The Grey State.
There was an infection in a large part of Rio De Janeiro and, in order not to spread, the government built retaining walls, whoever is inside will not be able to leave and will have to survive until the cure is discovered.
Head-to-head comparisons
Frequently asked about Rules of Engagement: The Grey State
- Is Rules of Engagement: The Grey State free to play?
- Yes — Rules of Engagement: The Grey State is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
- Does Rules of Engagement: The Grey State have multiplayer or co-op?
- Yes — Rules of Engagement: The Grey State supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Online Co-op).
- What games are most similar to Rules of Engagement: The Grey State?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Rules of Engagement: The Grey State are P.R.I.M.A.L. Keepers, Escape from Tarkov, Delta Force.
- Who developed Rules of Engagement: The Grey State?
- Rules of Engagement: The Grey State was developed by Grey State Studio.
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Rules of Engagement: The Grey State.
For library-aware picks tuned to your specific taste, sign in with Steam on the home page.