Here is the full list of all 32 Crystal Caves HD achievements.
Collect 5000 crystals.
Finish any episode on Hard difficulty.
Collect 50 fruit throught the levels
Find 100 secret crystals
Finish all Episodes
Finish Episode 4
Collect 1,000,000 points worth of bonus items.
Find and enter the wormhole.
Jump between crumbling platforms 15 times
Finish Episode 3
Unlock 200 treasure chests
Defeat 30 bosses
Reverse gravity while playing reverse gravity level.
Finish any level in under 1 minute
Destroy 10 enemies with a power of a single Red Mushroom.
Kill 250 enemies.
Finish Episode 2
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Finish Episode 1
Create and play your own level.
Complete any dark level without turning on the lights
Collect BONUS!
Kill 10 spiders
Eat Green Mushroom without dying.
Collect all fruit in a single level
Own at least 60 ammo
Complete any level without killing a single enemy.
Oopsie!
Complete a level with a perfect score
Finish your first level