Here is the full list of all 12 Wobbly Jungle achievements.
Death 100 times during the game
Jump 1000 times during the game
Dash 100 times during the game
Collect 100 stars in all levels
Kill 50 blobs in all levels
Complete level 12 with one try
Complete level 12
Complete level 20
Complete level 30
Complete level 40
Complete level 50
Complete level 60