BasilZero said:

Designed for the Game Boy Color however created to work with both Regular gameboy/pocket and GBA (due to b/c).

Exclusive to Gameboy family (Gameboy, Gameboy Color and Game Boy Advance).

Come on, that's cheating. Besides, GBA hadn't even launched yet when Gold & Silver were released. Am I to understand that any exclusive game loses its exclusivity upon the launch of a backwards-compatible successor?