: Most arcade emulators like MAME or FinalBurn Neo (FBNeo) require the ROM to stay zipped.
Gunbird 2 is known for its high difficulty and unique scoring mechanics. Bullet Heaven #215 - Gunbird 2 for Nintendo Switch File: GUNBIRD.2.zip ...
: Some versions may need a "parent" ROM or a specific BIOS file (like neogeo.zip ) if it's part of a specific set, though Gunbird 2 is typically standalone. Quick Gameplay Guide : Most arcade emulators like MAME or FinalBurn