Super Mario Galaxy (2007) - Full Walkthrough Reversed (Part 13/31)

All levels completed in reverse
0:25 - Hurry, He's Hungry
3:23 - The Silver Stars of the Sea Slide
10:22 - Faster Than a Speeding Penguin
13:17 - Underwater Cosmic Mario Race
15:08 - Going After Guppy
18:15 - Cosmic Mario Forest Race
Credit to packattack04082