PC versionGBCWIP Fans have made a PC version. Some are still early, so read the project page first.
Fans took Wario Land II apart and rebuilt it so it runs natively on a computer, often with widescreen, higher frame rates and mods. Here is the project we know about:
A fan-made recompilation of Wario Land II for Game Boy Color. Requires the user's own legally obtained ROM. No copyrighted ROM or Nintendo assets are included. Supports fullscreen with Alt+Enter, keyboard controls, and community contributio