Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Free on Steam. The demo has its own app, so its players are counted separately.
1-2 players, game controller support. NO in-app purchases. Over 45 minutes of music! 13 detailed stages, partly-random, with bosses. Tons of weapons, guards and special moves. Play in a window or in Full Screen.
Live data from Steam, tracked by SteamPlayerBase.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
No authorized Steam key store lists this game right now.
1 item on Steam, newest first.

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
A big update to Celtreos! Major Artwork ImprovementsA huge number of additional changes to game artwork have been made (on top of those from version 2.4).Player ships have all been greatly enhanced, showing much more detail than before!Several enemy ships have…
A big update to Celtreos! Major Artwork ImprovementsA huge number of changes to game artwork have been made, mostly large but some small as well.All space backgrounds have improved, with brand new planet artwork and the introduction of some nebula effects (thi…
The next Celtreos patch is live! Artwork ImprovementsPlayer ship exhaust effects have changed significantly, and they now follow the history of player movement instead of being fixed to a single horizontal position.Certain game artwork has improved, such as th…
A big update to Celtreos! 3D EffectsThere has been a huge focus on improving 3D effects and layering in backgrounds, with some accompanying performance tweaks.This is most noticeable in stages with walls or large background objects like cave rocks. Basically, …
The next Celtreos patch is live! New Ship TypesThree new ship types have been added: Rose Raptor, Micro and Nebula X-87. This brings the total number of ships to 10! The differences between the 10 ships are mostly cosmetic; having said that, the “hit box” defi…
A big update to Celtreos! UI UpdatesThere are new bidirectional rocker buttons in several panels, typically as “-/+” buttons. These take up less space but also consolidate focus so it is more efficient to traverse controls using game controllers or the keyboar…