Here is the full list of all 98 Diamond Caves achievements.
mash a Ship in Starter Bonuslevel 3
Smash a Ship in Starter Level 20
Collect a Pearl in Starter Level 19
Smash a Ship in Starter Level 18
Smash at least 2 Robots in Starter Level 17
Collect a Time Coin in Starter Level 15
Don't turn Starter Level 11 too much
finish the first Bonus-Level
Crack a Nut in Starter Level 09
Crack a Nut in Starter Level 07
Smash a Ship in Starter Level 06
Achieve 3 stars, collect the Ying-Yang and get an Achievement all at the same time
Crack a Nut in Starter Level 02
Achieve 3 Stars for the first time
Collect 100,000 gems
Get a total Score of 1,000,000
Play a total of 24 hours (or 86,400 seconds)
Collect 1,000 Shield Coins
Collect a total of 1 hour_ (or 3,600 seconds)
Collect 10,000 sticks of Dynamite
Use 1,000 sticks of Dynamite
Collect 1,000 Hammer
Win 1,000 Levels
Die 10,000 times
Turn the Lightswitch 1,000 times
Turn the Level 1,000 times
Collect 1,000 Keys
Open 1,000 Chests
Crack 1,000 Nuts
Spin the Wheel 1,000 times
Collect at least 3 Rubys in Starter Level 21
Smash a Robot in Starter Level 23
Smash a Robot in Starter Level 24
Smash exactly 4 Ships in Starter Level 25
Collect a Time Coin in Starter Level 26
Collect a Green Key in Starter Level 28
Smash exactly 7 Ships in Starter Level 29
Collect at least 1 Ruby in Starter Level 30
Smash a Ship in Starter Level 31
Finish Starter Level 33 with at least 3 Dynamite left
Collect exactly 4 Keys in Starter Level 34
Collect 1 Crystal in Starter Level 35
Finish Starter Level 36 with at least 3 Dynamite left
Collect 1 Crystal in Starter Level 37
Smash a Ship in Starter Level 38
Collect at least 1 Pearl in Starter Level 39
Collect exactly 2 Pearls in Starter Level 40
Smash a Ship in Starter Bonuslevel 6
Finish all 40 Levels of the Starter Levelgroup
Finish all 10 Levels of the Starter Bonus Levelgroup
Finish all 40 Levels of a Levelgroup with 3 Stars
Unlock all 10 Levels of a Bonus Levelgroup
Finish all 10 Levels of a Bonus Levelgroup with 3 Stars
Smash a Ship in Starter Level 26
Finish Mini Level 01 with at least 1 Dynamite left
Collect 3 Emeralds in Mini Level 02
Smash a Ship in Mini Level 04
Collect 67 Diamonds in Mini Level 17
Collect at least 2 Diamonds in Mini Level 21
Collect 4 Emeralds in Mini Level 22
Collect 1 Emerald in Mini Level 25
Collect 51 Emeralds in Mini Level 27
Do not collect any Dynamite in Mini Level 29
Collect 7 Emeralds in Mini Bonuslevel 01
Finish all 40 Levels of the Mini Levelgroup
Finish all 10 Levels of the Mini Bonus Levelgroup
Crack at least 10 Nuts in Advanced Level 01
Collect at least 2 Emeralds in Advanced Level 02
Collect a Shield Coin in Advanced Level 03
Collect at least 2 Rubys in Advanced Level 04
Smash at least 2 Ships in Advanced Level 07
Collect 2 Pearls in Advanced Level 09
Do not collect more than 6 Shield Coins in Advanced Level 10
Collect a Time Coin in Advanced Level 12
Collect a Time Coin in Advanced Level 13
Collect a Pearl in Advanced Level 14
Collect 2 Pearls in Advanced Level 15
mash a Ship in Advanced Level 16
Smash 2 Robots in Advanced Level 17
Collect more than 1 Crystal in Advanced Level 19
Collect 1 Diamond in Advanced Level 20
Smash 2 Ships in Advanced Level 21
Collect 2 Crystals in Advanced Level 22
Collect 5 Time Coins in Advanced Level 24
Collect 4 Pearls in Advanced Level 28
Crack at least 4 Nuts in Advanced Level 29
Collect at least 1 Pearl in Advanced Level 30
Smash a Ship in Advanced Level 32
Collect 4 Time Coins in Advanced Level 33
Collect 2 Crystals in Advanced Level 34
Do not use any Dynamite in Advanced Level 35
Collect at least 1 Dynamite in Advanced Level 36
Collect 2 Time Coins in Advanced Level 37
Crack a Nut in Advanced Level 38
Collect at least 1 Rubys in Advanced Level 39
Collect a Time Coin in Advanced Level 40
Finish all 40 Levels of the Advanced Levelgroup
Finish all 10 Levels of the Advanced Bonus Levelgroup