Are Room Invaderz and Level 11.11 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 Room Invaderz and Level 11.11 have co-op?

Yes — both list a co-op category on Steam. Specifics differ: Room Invaderz ships Online Co-op, Co-op; Level 11.11 ships Co-op.

Room Invaderz vs Level 11.11

Room Invaderz and Level 11.11 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 Room Invaderz

Choose Room Invaderz if you want an Indie game with Online Co-op.

Choose Level 11.11

Choose Level 11.11 if you want an Early Access game with Custom Volume Controls, Stereo Sound, and Playable without Timed Input.

Both Room Invaderz and Level 11.11 sit in Action on Steam and both list Multi-player, DualShock Controller Support, and DualSense Controller Support, 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.

Room Invaderz vs Level 11.11 — Steam metadata comparison
	Room Invaderz	Level 11.11
Released	—	—
Genres	Action, Indie	Action, Early Access
Platforms	Windows	Windows
Steam Deck	Unrated	Unrated
Price	Price unknown	Price unknown
Steam reviews	—	—
Multiplayer	Multi-player, Online Co-op, Co-op	Multi-player, Co-op
Developers	Matthew Ryan Taylor	Orbital Knight

Side by side

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