Have one of the following Game Boy Advance games in the cartridge slot to unlock the corresponding bonus.

EG Armor: Super Robot Taisen A. This part gives HP Regen (L) but does not stack. It is worth 45,000.

Time Flow Engine: Super Robot Taisen R. This part gives EN Regen (L) but does not stack. It is worth 50,000.

Res Arcana: Super Robot Taisen D. This part gives Double Image, Beam Coat (L), and HP Regen (S). It is worth 55,000.

Orgone Cloud: Super Robot Taisen J. This part gives Double Image, Barrier (L), Ignore Terrain, and EN Regen (S). It is worth 70,000.

Tesla Drive: Super Robot Taisen: Original Generation. This part gives Movement +2, Mobility +20, and Air Terrains S for both unit and weapons. It is worth 60,000.

Z.O Armor: Super Robot Taisen: Original Generation 2. This part gives HP +2,000, Armor +300, and EN +150. It is worth 65,000.

Prana Converter: Super Robot Taisen D2. This part gives Attack +500, Range +1, Critical Rate +30, & Hit Rate +20. It is worth 100,000.