Here is the full list of all 11 Cloudlands 2 achievements.
Get a hole in one
Get a birdie
Get an eagle
Create a hole in the level editor
Publish a custom hole online so other players can play
Finish a hole online
Finish a course without using a mulligan
Get a par
Defeated Grugg under par
Defeated the Magician under par
Defeated the Reaper under par