The Konami GB Collection is a series of video game compilations for the Game Boy Color. The compilations were originally released from 1997 to 1998 in Japan for Game Boy, and were later released in Europe in 2000 for Game Boy Color. Included in Volume 1: - Gradius (Nemesis) - Castlevania: The Adventure - Konami Racing (World Circuit Series) - Probotector (Operation C) Despite using the localized title Probotector, which was used for multiple Contra games in Europe, it does not feature robot characters as were used in those localizations.