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Planets Under Attack

Also known as Planets Under Attack, planets under attack, planets-under-attack

Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.

Last update
14 May 2026
Players now
7
Original sources
1
Latest update
Announcement

Trading Cards Released

8 Trading Card Types 4 Profile Backgrounds 6 Emoticons and 5 Badge Levels available Drop Rate 10 Minutes

Latest updates

Update history

Browse past updates and patch notes for this game.

2updates

Gallery

In-game media

Achievements

Community progression

Top picks from 21 Steam achievements, sorted by player unlock rates.

  • Don't panic!Successfully defend a planet with just a few citizens on it (except for offline multiplayer).11.2%
  • ThoroughEarn all stars in a single mission in the Humanity Inc.campaign.9.1%
  • PrivateGet 5 stars in the Humanity Inc.campaign.8.8%
  • Jack of all tradesWin in each basic game mode: Elimination, Capture, Domination, King of the Hill.8.2%
  • Narrow escapeCapture a planet when you have no planets left in any mode except for offline multiplayer.7.7%
  • MidshipmanGet 10 stars in the Humanity Inc.campaign.7.5%