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