This production makes use of the Arduino platform, a popular range of open-source microcontroller hardware and software.

The Gamebuino is a handheld game console with open source software, based on the Arduino hardware platform. It features an 84x48 1 bit screen, a 16 Mhz ATmega328 CPU and 2 KB RAM.

Source code (or a link to it) is included in the archive or on the production page. Note this doesn't necessarily mean the production is free software (FOSS).