Here is the full list of all 36 Stumble Guys achievements.
Unlock 10 unique animations
Unlock 20 unique emotes
Unlock 5 unique footsteps
Advance or win on Lava Land
Unlock 40 unique skins
Advance or win on Block Dash
Play 300 levels
Advance or win on Bot Bash
Advance or win on Jungle Roll
Advance or win on Space Race
Advance or win 100 levels
Earn 1,000 Stumble trophies
Use 100 emotes
Advance or win on Lost Temple
Finish 1st out of 32 players 5 times
Advance or win on Over and Under
Advance or win on Laser Tracer
Advance or win on Pivot Push
Spin 50 wheels
Advance or win on Bombardment
Advance or win on Super Slide
Advance or win on Honey Drop
Advance or win on Humble Stumble
Advance or win on Spin Go Round
Earn 500 stars
Change your Stumbler color
Earn 10,000 XP
Advance or win on Tile Fall
Advance or win on Icy Heights
Advance or win on Paint Splash
Advance or win on Cannon Climb
Finish 1st out of 32 players
Advance or win on Floor Flip
Advance or win on Rocket Rumble
Advance or win on Stumble Soccer
Advance or win on Lava Rush