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