Choose Rules of Engagement: The Grey State
Choose Rules of Engagement: The Grey State if you want a Free To Play game with MMO. On Steam, it's free to play, so the barrier to trying it is zero.
Rules of Engagement: The Grey State vs Ghosts in the City
Rules of Engagement: The Grey State and Ghosts in the City both land in Action, Adventure, RPG on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both share Action, Adventure, RPG on Steam. Rules of Engagement: The Grey State is free; Ghosts in the City is paid (Price unknown). Both support cooperative play. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Ghosts in the City
Choose Ghosts in the City if it matches what drew you to this matchup.
Both Rules of Engagement: The Grey State and Ghosts in the City sit in Action, Adventure, and RPG on Steam and both list Multi-player, Online PvP, and Online Co-op, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Rules of Engagement: The Grey State |  Ghosts in the City | |
|---|---|---|
| Released | — | — |
| Genres | Action, Adventure, RPG, Free To Play | Action, Adventure, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Free to play | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Grey State Studio | Acid Pixel Studios |
Side by side
- Both share Action, Adventure, RPG on Steam.
- Rules of Engagement: The Grey State is free; Ghosts in the City is paid (Price unknown).
- Both support cooperative play.
Rules of Engagement: The Grey State vs Ghosts in the City — FAQ
- Are Rules of Engagement: The Grey State and Ghosts in the City similar?
- They overlap on Action, Adventure, RPG on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Do both Rules of Engagement: The Grey State and Ghosts in the City have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Rules of Engagement: The Grey State ships Online Co-op, Co-op; Ghosts in the City ships Online Co-op, Co-op.
- Is Rules of Engagement: The Grey State free?
- Yes — Rules of Engagement: The Grey State is a free-to-play Steam title. Ghosts in the City is paid (Price unknown).