A downloadable game for Windows, macOS, and Linux

Multiplayer 3D FPS written in Common Lisp using cl-bodge game engine.


  • OpenGL 4.1+
  • 64-bit OS (x86-64 GNU/Linux, macOS, Windows)
  • OpenAL (Windows only)

License: GPLv3

Source code: GitHub


  • Movement - WASD
  • Shoot da ball - left mouse button
  • In-game menu with score table - Escape



Due to time constraints, some error handling code was omitted, so game might hang sometimes. Most likely reason: player or arena name is already taken. Just restart the game (Alt+F4 or clicking exit button) and try different name. To be fair, there's error hangling code for that, but not for GUI, my apologies.

Clipping through walls:

It is a feature. But really, just didn't have time to implement blocking.

Balls and dudes are not cleared up/Bad performance:

Not a feature, but that's a known issue - I blame deadlines.

No sound:

Not a bug, but missing feature. I wish I had time to find some tunes for the game.

No fullscreen/crappy resizing:

Known missing feature. Sorry, wasn't a priority.


mortar-combat-linux-x86-64.zip 29 MB
mortar-combat-windows-x86-64.zip 28 MB
mortar-combat-macos-x86-64.zip 21 MB

Install instructions

  • Unpack .zip
  • run run.sh (For macOS or GNU/Linux) or run.bat (for Windows)

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