Here is the full list of all 9 MopGarden's Veggie Cart achievements.
Complete the entire Forest world
Complete the entire Beach world
Complete the entire Suburbs world
Complete the entire City world
Complete the entire Moon world
Make friends with the Cool Intergalactic Space Bunny
Throw Alfred off-screen 100 times
Huck the crow off-screen 100 times
Yeet the rat off-screen 100 times