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Stellar Initiative

Also known as Stellar Initiative, si, steam:2529080

Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with fire. Complete missions, install new upgrades, discover powerful artifacts, and find the best strategy!

Last update
17 May 2026
Players now
4

Latest update

Store

v1.2.1Update 1.2.1 and Stellar Raiders bundle

Excited to announce that my next game, Stellar Raiders, is out! It is a roguelike tactics with a lot of artifacts, skills, and perks, so anyone enjoying Stellar Initiative might like it! https://store.steampowered.com/a…

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Update history

Browse past updates and patch notes for this game.

20 updates

Gallery

In-game media

Achievements

Community progression

Top picks from 14 Steam achievements, sorted by player unlock rates.

  • Collector IDiscover 20 artifacts47.1%
  • OfficerWin on Officer difficulty42.5%
  • MasteryInstall all upgrades for any item39.1%
  • Collector IIDiscover 40 artifacts26.3%
  • VolleyKill final boss in less than 60 seconds24.7%
  • MinerHave at least 20 stellarium20.6%