UPNetwork -> Pokémon Video Games -> POKéMON Pinball

POKéMON Pinball

Released to the US in summer of '99 this was one of the first POKéMON spinoff games and quite a good one at that.

US Release: 07/31/99

1 player

Works With:

Gameboy Color
Gameboy Advance
Gameboy Advance SP
Gameboy Player

Features:

2 main boards
3 bonus stages
151 POKéMON available to catch
Built-in rumble pak

Rated E for everybody.