Is Planets Under Attack co-op?

Planets Under Attack does not list co-op on Steam; it has PvP, Single-player too.

Does Planets Under Attack have PvP?

Yes, Planets Under Attack has player-versus-player modes.

Do we both need to own Planets Under Attack to play together?

Not always. Planets Under Attack supports Steam Remote Play Together: one person who owns it hosts and streams a local session to friends who don't (Steam quotes up to four players, more on a fast connection). For online co-op or PvP, every player needs their own copy.

How many people play Planets Under Attack?

About 1 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Strategy › Real-time strategy

Is Planets Under Attack multiplayer or co-op?

Yes — PvP. Planets Under Attack is a real-time strategy game released in 2012, 72% positive on Steam (1,119 reviews), with 1 playing right now. $2.39 on Steam.

PvPSingle-player tooStrategy · Real-time strategy

Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space,…

How Planets Under Attack plays with friends, according to Steam

Online co-op: Not listed on Steam
Local / split-screen co-op: Not listed on Steam
Online PvP: Yes
LAN play: Not listed on Steam
Remote Play Together (one copy, streamed to friends): Yes
Cross-platform multiplayer (Windows / Mac / Linux): Yes
Single-player mode: Yes
Controller: Full controller support

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: Strategy, Indie, Space, Multiplayer, Sci-fi, RTS, Singleplayer

Do you and a friend both own Planets Under Attack?

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

Or open the Steam store page.

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

Quick answers

Is Planets Under Attack co-op?: Planets Under Attack does not list co-op on Steam; it has PvP, Single-player too.
Does Planets Under Attack have PvP?: Yes, Planets Under Attack has player-versus-player modes.
Do we both need to own Planets Under Attack to play together?: Not always. Planets Under Attack supports Steam Remote Play Together: one person who owns it hosts and streams a local session to friends who don't (Steam quotes up to four players, more on a fast connection). For online co-op or PvP, every player needs their own copy.
How many people play Planets Under Attack?: About 1 players were in-game when this page's data was last refreshed (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 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass