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Stellar Initiative
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!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-04 · quoted reviews as of 2026-05-13.
“Honestly it's a fun game,but after the first few hours it gets quite boring. The difficulty scaling also feels really badly made,at first the game is insanely easy to the point where I didn't lose once,but once I reached the starlord difficulty it felt legitimately impossible to…”
— a player, Steam review · 11 hrs played“Overall great game, it's difficult and mainly strategy; but, even without strategy you can get pretty far. It's one of the games where you have to die to progress and I always find those games fun.”
— a player, Steam review · 10 hrs played“Unfortunately this is not a strategy game even though it seems like one. Theoretically there are multiple choices and multiple paths, practically you have to choose a bit more powerful or a bit more reliable choice/path. Especially on higher difficulties you have to choose best…”
— a player, Steam review · 13 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-19.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-08-12. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Update 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
Update 1.2
New station: Flux converter Alternate between two states to take the most out of every situation. Absorption: station generates energy faster while delivery is empty. Radiation: station consumes energ
Update 1.2 preview
Excited to announce that the next content update 1.2 will be released on October 18! It will feature: - New station - Endless mission - 18 new artifacts - New enemies - Difficulty improvements - And m
Update 1.1
New ship: Corporation Equipped with a Transformer, Drone Hub, and Emitter. Transformer. A cheap building that can't attack enemies, but converts all incoming damage into energy, significantly speeding
Update 1.1 preview
Excited to announce that the first content update 1.1 will be released on July 29! It will feature: - New ship loadout - 5 new buildings / ship effects - 22 new artifacts - 35 new upgrades to install
Games like Stellar Initiative
From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | Strategy |
| Player tags | Tower Defense · Rogue-like · Strategy · Difficult · Sci-fi · Pixel Graphics · 2D · Base-Building · Mechs · Procedural Generation · Aliens · Space (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Steam Cloud · Family Sharing |
| Languages | English, French, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Russian, Simplified Chinese |
| Achievements | 14 |
| Official site | https://linktr.ee/fiveheadgames |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 or newer Processor: 2.5Ghz or better Memory: 2 GB RAM Graphics: Support for OpenGL 3.3 Storage: 1 GB available space