Uploaded February 2020 | Updated September 2026, 2 weeks ago

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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:

raregamer.co.uk/top-5-hidden-rare-cows