1-2 players, game controller support. NO in-app purchases. Nearly 45 minutes of music! Over 10 detailed stages, partly-random, with bosses. Tons of weapons, guards and special moves. Play in a window or in Full Screen.
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Release Date:
Dec 22, 2017

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Download Celtreos Demo

Try a few free stages! Updated for 10.15 “Catalina”.

Buy Celtreos

Buy Celtreos Game + Soundtrack

Includes 2 items: Celtreos, Celtreos Soundtrack


About This Game

One or two players. Use a mouse or trackpad, keyboard (including Touch Bar), or 1-2 MFi game controllers.

Mac or mobile only, and updated for macOS “Catalina”.

Celtreos” is like the space shooters of decades past: tiny ship, big weapons, waves of foes, power-ups and obstacles.

Music, Sound and Voice

  • Over 20 different songs (nearly 45 minutes of music!)
  • You can even play your own music and auto-next-song for key game events


  • Over 10 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
  • 7 different ships to choose from
  • 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, and default ship speed

System Requirements

    • OS: macOS 10.12
    • Processor: 2.4 GHz Intel Core i5
    • Memory: 2 GB RAM
    • Graphics: Intel Iris 1536 MB
    • Storage: 120 MB available space
    • Additional Notes: Supports game controllers that implement Apple MFi on Mac. External music control implemented only for OS Music app (or iTunes on 10.14 or earlier).

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