Are Bunker Rats and P.R.I.M.A.L. Keepers similar?

They overlap on Action 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 Bunker Rats and P.R.I.M.A.L. Keepers have co-op?

Yes — both list a co-op category on Steam. Specifics differ: Bunker Rats ships Online Co-op, Co-op; P.R.I.M.A.L. Keepers ships Online Co-op, Co-op.

Bunker Rats vs P.R.I.M.A.L. Keepers

Bunker Rats and P.R.I.M.A.L. Keepers both land in Action 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 are Action games on Steam. 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 Bunker Rats

Choose Bunker Rats if you want an Indie game with Custom Volume Controls and Stereo Sound.

Choose P.R.I.M.A.L. Keepers

Choose P.R.I.M.A.L. Keepers if it matches what drew you to this matchup.

Both Bunker Rats and P.R.I.M.A.L. Keepers sit in Action 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.

Bunker Rats vs P.R.I.M.A.L. Keepers — Steam metadata comparison
	Bunker Rats	P.R.I.M.A.L. Keepers
Released	—	—
Genres	Action, Indie	Action
Platforms	Windows	Windows
Steam Deck	Unrated	Unrated
Price	Price unknown	Price unknown
Steam reviews	—	—
Multiplayer	Multi-player, Online Co-op, Co-op	Multi-player, Online Co-op, Co-op
Developers	FunkMunki	RaPi_Games

Side by side

Both are Action games on Steam.
Both support cooperative play.