Guerilla Games started out in 2000 as a subsidiary of Dutch multimedia congolomerate Lost Boys under the moniker Lost Boys Games. The developer was a merge between 3 separate Dutch developers, Orange Games, Digital Infinity and Formula .

They focused on developing games for the Game Boy Color and Game Boy Advance. The four games Lost Boys Games developed are: Tiny Toon Adventures: Dizzy's Candy Quest (2001), Rhino Rumble (2002), Black Belt Challange (2002) and Invader (2002).In 2003, L