If the game doesn't load, make sure you have the latest Firmware for the GCW0. The game needs ogg Support.
I've tested the game on an Gamegadget with 64 Megs of RAM. Tested on DEBIAN Linux on an x86, tested on an openpandora. The compiled executeables are in the opk too.
coppergreendebian => file for DEBIAN Linux
coppergreen.dge => file for the GameGadget
coppergreen => file for the GCW0
The ogg files are made with audacity.