A downloadable C64 game for Windows, macOS, and Linux

Help Grunio, a guinea pig, eat all the carrots in this retro mini game for Commodore 64!

Gruniozerca is a Commodore 64 version of NES/Famicom mini game released in 2016. Both games were created to support Polish 24h charity games stream called Gramytatywnie.

Use joystick connected to port 2 to move Grunio on the screen and catch all carrots before they touch the ground. Make sure Grunio's color match carrots' color when you catch them. You can change Grunio's color by pressing fire.

How to run?

This game was designed and created to run on a real hardware - Commodore 64 or Commodore 128 in C64 mode - and is compatible with both PAL and NTSC versions. Keep in mind that the game was primarily created for PAL machines.

Once diskette image is downloaded you could transfer it to a 5 & 1/4 inch floppy disk using any of the available solutions (like X1541 cable) or copy to the SD2IEC device.

You can also run the game on any C64 emulator available for Windows, Mac and Linux that supports loading diskette images (like VICE).

To load a game type LOAD "*",8 and press return. After couple seconds when the system respond with READY. type RUN and press return to start.


This mini-game, similar to its NES/Famicom version, is provided to you for free. Please consider to support charities during annual Gramytatywnie 24h games streaming charity event.

Head to the official website and Facebook page to find out more information.

Gramytatywnie is organized by arhn.eu.


  • a game by Lukasz Kies
  • original NES/Famicom version by Lukasz Kur & Ryszard Brzukala
  • Grunio as himself

Copyright (c) 2017 6bits


gruniozerca-win-mac-linux-latest.zip 19 kB
Version 2 Sep 03, 2018


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