Challenges list of PetaPita
Yoshi's Path Peril
Yoshi Valley: Take all paths while playing as Yoshi! in Time Trial mode, with Yoshi
Easy Cold Karts
Frappe Snowland: Complete a lap without touching any offroad or snowmen! in Time Trial mode, without touching any snowman, without touching offroad
Easy Bowser's Thwomp Mess
Bowser's Castle: Race through the castle without being hit by a single thwomp! in Time Trial mode, with Bowser, without touching any Sliding Thwomp, Moving Thwomp nor Crushing Thwomp
Medium Shortcut Hunter 1
Broken Pier: Take all possible shortcuts! in Time Trial mode
Medium