Game overview
Celtreos
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.
- Last tracked players
- 0
- All-time peak
- Unavailable
- 24-hour change
- Unavailable
Delayed observation · last tracked . Values marked unavailable are not estimated.
About this game Read the full description

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.
Music, Sound and Voice
30 different songs (over 45 minutes of music!)
You can even play your own music and auto-next-song for key game events
Stages
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
Weapon Arrays, Special Moves, Power-Ups and More

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)
Additional Configuration Options
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
Media gallery 13 screenshots · 0 videos
Screenshots
Player activity
Concurrent players over the last 48 hours.
Latest news
All news on Steam ↗System requirements macOS
macOS
Minimum
Minimum:- OS: macOS 12.0
- Processor: 2.4 GHz Intel Core i5 or Apple Silicon Mac
- Memory: 2 GB RAM
- Graphics: Intel Iris 1536 MB or Apple Silicon
- Storage: 217 MB available space
- Additional Notes: Can use Xbox, DualShock (PS4), DualSense (PS5), MFi controllers. External music control implemented only for OS Music app.
Recommended
Recommended:- OS: macOS 15.0
- Processor: Apple Silicon Mac
- Memory: 2 GB RAM
- Graphics: Apple Silicon
- Storage: 217 MB available space
Game details Languages, features & support
- Publisher
- Kevin M. Grant
- Brazilian rating
- l
- Steam Germany rating
- 12
- Controller support
- full
- Features
- Single-player, Multi-player, Co-op, Shared/Split Screen Co-op, Shared/Split Screen, Full controller support, Adjustable Text Size, Custom Volume Controls, Adjustable Difficulty, Keyboard Only Option, Mouse Only Option, DualShock Controller Support, DualShock Controller Support, DualSense Controller Support, DualSense Controller Support, Save Anytime, Stereo Sound, Touch Only Option, Family Sharing
- Languages
- English*, French
*languages with full audio support - Website
- Official website ↗
- Support
- [email protected] Support site ↗
Compatibility & accessibility Steam Deck, controllers & access features
Can I Play This?
Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.
Developer-declared accessibility on Steam
Features not declared by the developer are not labeled unsupported.
Structured language support (2)
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | No |
| French | Yes | No | No |
More analysis Activity patterns, updates & developer tools
Game Insights
Buy Verdict
Wait for upcoming sale in ~13 days for potentially better pricing.
Value Score
Price-to-player ratio ranks in the 82th percentile. Priced as Market at $9.99.
Genre Benchmarks
Activity Heatmap
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