A downloadable game for Windows

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ZERO is a 2D space shooter game where you face endless enemies. The more enemies you kill, the higher your score will be.

Pick-up collectibles to regain your HP or to have an increased rate of fire for a few seconds!

The game features an "invincibility frames" mechanic that prevent you to get obliterated when you're getting hit!

It has been made in a few days for the GBJAM8 by myself as a solo developer.

Disclaimer: this game is a prototype made for the game jam. Depending on how it goes, it might either be developed further or abandoned.

Played it? Please rate and leave a comment!


  • Left, Right, Up & Down arrow keys to move your ship.
  • Hold Left Control or Space to shoot.
  • Press Space when on the main menu to start a new game.
  • Alt + Enter to toggle between windowed and full screen.


All of the assets (art, music, sound effects, code) have been created by me during the jam period, excepted the font:



  • 1.3 Content & polish update:
    • Fixed an issue where the enemies won't shoot at the start of a run.
    • You can now shoot with Left Control or Space.
    • Added a new pick-up bonus that grants you a frontal shield for 10 seconds or until it gets hit by an enemy bullet.
    • Removed the ability to destroy enemy's bullets with your shots.
  • 1.2 Content update:
    • Added another tiny, fast and sneaky enemy!
    • You'll now earn +1 score every second in addition to the kills.
  • 1.1 QoL update:
    • Improved the triggering of the collectibles so the players can catch an upgrade even if the ship is blinking (after receiving damages).
    • Changed the "ANY KEY" button to the "SPACE" button to start a game so the players can screenshot their highscores.
    • Added hit effects to the enemies to give more feedback to the players when they shoot at enemies.
    • Added a thrusting and braking animation to the ship.
  • 1.0 Initial build of the game.

Rated 4.0 out of 5 stars
(1 total ratings)
Tags2D, Arcade, Endless, Game Boy, High Score, Pixel Art, shidygames, Singleplayer, Space


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Click download now to get access to the following files:

GBJAM8 - ZERO - 1.3.zip 21 MB

Development log


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