RarewareArchives | Mickey's Speedway USA GBC - Secret Track! Tour (Super Secret Bovine Bonus) @RarewareArchives | Uploaded 4 years ago | Updated 1 hour ago
Mickey's Speedway USA GBC hides a secret track that you can unlock for yourself using the IR Link in tandem with a copy of Mickey's Racing Adventure on another GameBoy Color. The track takes place on an asteroid belt, where the famous Rare Cows can be seen alongside ancient shrine-like pillars.

To learn more about the hidden Rare Cows and the games they've appeared in, click here:

http://www.raregamer.co.uk/top-5-hidden-rare-cows