Lot of 5 Wario game for GAME BOY, in Japanese version, all tested (see pictures). Wario Land 1 Gameboy GB. Wario Land 2 Game Boy Color GB GBC.
Wario Land 3 Game Boy Color GB GBC. Made in Wario Gameboy Advance GBA.
Mawaru Made In Wario Gameboy Advance GBA. + Bonus : Wario Land 4 Gameboy Advance GBA english version, loose. Note : The GAME BOY SP in picture is not include.