Austin Powers: Oh, Behave! and Austin Powers: Welcome to My Underground Lair! are minigame-based action games based on the Austin Powers franchise. They were developed by Tarantula Studios, and published by Rockstar Games. Both games were released simultaneously for Game Boy Color, on September 28, 2000, in North America and November 3, 2000, in Europe. The two games are able to connect to one another, with Oh, Behave starring Austin Powers and Welcome to My Underground Lair! starring Dr. Evil.