Games Like Planets Under Attack
24 games share tags with Planets Under Attack and the way it plays (online co-op). Ranked by how many tags they have in common. Top picks: Factorio, Heavenly Bodies, Terraria.

Factorio
90Online co-op · up to 65535LAN
Shares Simulator, Strategy, Indie

Heavenly Bodies
75Online co-op
Shares Simulator, Strategy, Indie

Terraria
Online co-opCouch co-opLAN
Shares Simulator, Strategy, Indie

Space Engineers
Online co-op · up to 16LAN
Shares Simulator, Strategy, Indie

AI War: Fleet Command
Online co-op
Shares Simulator, Strategy, Indie

Starmade
Online co-op · up to 8
Shares Simulator, Strategy, Indie

From the Depths
Online co-op
Shares Simulator, Strategy, Indie

Defense Grid 2
Online co-op · up to 2Couch co-op · up to 2LAN
Shares Simulator, Strategy, Indie

Ashes of the Singularity
Online co-op
Shares Simulator, Strategy, Indie

Zero-K
Online co-op · up to 32
Shares Simulator, Strategy, Indie

ThreadSpace: Hyperbol
Online co-op
Shares Simulator, Strategy, Indie

Clones
Online co-op
Shares Simulator, Strategy, Indie

Dig or Die
Online co-op
Shares Simulator, Strategy, Indie

VoidExpanse
Online co-op
Shares Simulator, Strategy, Indie

Fortified
Online co-op
Shares Simulator, Strategy, Indie

Objects in Space
Online co-op
Shares Simulator, Strategy, Indie

Empyrion: Galactic Survival
Online co-op
Shares Simulator, Strategy, Indie

Rokh
Online co-op
Shares Simulator, Strategy, Indie

Star Control: Origins
Online co-op
Shares Simulator, Strategy, Indie

AI War 2
Online co-op
Shares Simulator, Strategy, Indie

8-Bit Invaders!
Online co-op
Shares Simulator, Strategy, Indie

We Need to Go Deeper
Online co-op · up to 4LAN
Shares Simulator, Strategy, Indie

Barotrauma
Online co-op · up to 16
Shares Simulator, Strategy, Indie

Pixel Privateers
Online co-op · up to 4
Shares Simulator, Strategy, Indie
FAQ
What games are similar to Planets Under Attack?
Factorio, Heavenly Bodies, Terraria are the closest matches to Planets Under Attack among the 24 games we found. Matches need at least 2 tags in common and at least one shared co-op mode.