Description

This is reprogrammable Game Gear cartridge circuit, perfect for easily making physical versions of your homebrew games! Can be installed in standard Game Gear cartridge shells.

Specifications:

• Re-writeable 4Megabit (512 kB) flash chip
• Compatible with systems from all regions
• Partial Sega-style mapper (slot 2 only)^[1]
• Fits in standard game cartridge shells
• Tested and pre-programmed with the homebrew game DONKEY.GG
  (for demonstration purposes)

This design has no battery-backed RAM on-board, but with the right programming techniques, scores and progress can be saved directly on flash. The pre-programmed game, DONKEY.GG, does that!