To unlock the original Yoshi's Island stage from the N64 version of the game, use Yoshi and hit over 1,350 ft. (400m in the JP version) in the Home-Run Contest. To do such, stand next to the Sandbag ...

I miss this game I had it but I lost it 2 years ago and haven't seen it since :( I bought it at gamestop for like 20$ and now it is 45-60$ ...