Mushroom Derby can be accessed after unlocking Yo'ster Isle. Yoshi Racing, also known as Mushroom Derby, is a race against other Yoshis to the finish line. Goomba Thumping Guide and Rewards Yoshi Racing (Mushroom Derby) This can be accessed from the Pipe Vault at the cost of 10 Coins a game. Goomba Thumping is a minigame where you have to jump on many Goombas' heads as much as you can to earn points. Midas River 100 Coins Guide and Map Goomba Thumping
The rewards for this minigame are Frog Coins exchanged with the coins that you collected during your run collecting more coins in a single run will entitle you to better exchange rates from coins to Frog Coins.
The first part is swimming down through a waterfall, while the second part is jumping on barrels on the river. The Midas River is a two part minigame where you have to collect as many coins as possible while you're being swept by the Midas River current.
