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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.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Try this game before buying.
One or two players. Use a mouse or trackpad, keyboard (including Touch Bar), or 1-2 game controllers.
Steam version works on Mac (available for mobile and TV elsewhere); updated with support for all recent Mac hardware.
“Celtreos” is like the space shooters of decades past: tiny ship, big weapons, waves of foes, power-ups and obstacles.
30 different songs (over 45 minutes of music!)
You can even play your own music and auto-next-song for key game events
13 stages: a city, space station, ocean and more
Horizontal scrolling but more than one “screen” of vertical space
Start from any stage you want!
Each stage ends with a challenging boss
Wall layouts and spawn patterns are partially randomized
Choose from a huge arsenal of weapons and special abilities
10 different ships to choose from
Customize ship properties, such as gun mount locations and top speed
In-game power-ups with weapons, defenses and temporary powers (like Rapid Fire)
Power-down orbs with temporary inconveniences (like Weapon Freeze)
Set number of lives, and number of times that special abilities can be used
Play in a window or in Full Screen, and specify how much of the display to use in Full Screen
Set graphics quality to one of three levels
Right now the cheapest offer for Celtreos is CA$12.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Celtreos is CA$12.99 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Celtreos drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
