Here is the full list of all 20 Platform Golf achievements.
Collect 8 Coins in 1 Level
Hit any mushroom 5 times in one level
Finish any level in under 12 seconds
Reach level 10.
Hit the top of any level
Collect 20 gems in one play session
Fall into the water
Finish any Level with one shot
Finish a level with 8 hits left.
Hit a Tree 5 Times in one Level
Get to Level 21
Reach Level 30
Collect 2 gems in 1 Level
Reach level 42
Clear all levels in the forest
Collect 100 Coins in one Play session
Watch the credits
Finish a level with 0 hits left
Get a highscore over 2500
Get every Achievement.