Is Underspace multiplayer or co-op?

Yes — co-op and PvP. Underspace is a flight sim game released in 2024, 81% positive on Steam (348 reviews), with 3 playing right now. $19.99 on Steam.

Steam tags: Early Access, 3D, Flight, Futuristic, Action, Space, Adventure, Indie

Do you and a friend both own Underspace?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Underspace is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

Games like Underspace you can play together

Tired of Underspace? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Underspace co-op?

Yes, Underspace supports co-op.

Does Underspace have PvP?

Yes, Underspace has player-versus-player modes.

How many people play Underspace?

About 3 players were in-game when this page was built (2026-09-09).

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; page updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. How the data works · Legal & privacy · All types · Game Pass