Here is the full list of all 72 Cally's Caves 4 achievements.
Beat New Game Plus
Defeat Boss 8 Plus
Find All Haunted Bridge Pages
Find All Whispering Statue Pages
Find All Hidden Staircase Pages
Defeat Boss 7 Plus
Defeat Boss 6 Plus
Defeat Boss 5 Plus
Find All Calendar Pieces
Defeat 25 Pilots
Find All Necklace Pieces
Defeat 10 Pilots
Defeat Boss 4 Plus
Defeat 25 HK Tanks
Defeat 10 HK Tanks
Defeat Boss 3 Plus
Defeat 25 Mortars
Defeat 25 Practice Droids
Defeat Boss 2 Plus
Defeat 10 Practice Droids
Defeat Boss 1 Plus
Defeat 100 Seekers
Defeat 10 Mortars
Beat Qwerty's Zone
Defeat Boss 9
Find All Weapons
Defeat 100 Troopers
Defeat 100 Drivers
Beat Survival Mode
Defeat 100 Snipers
Defeat 100 Ninjas
Defeat 100 Ninja Warriors
Defeat 100 Poisoners
Defeat 10 Minigunners
Defeat 25 Minigunners
Defeat 25 Seekers
Defeat 25 HK Drones
Defeat 100 Centurions
Defeat 25 Drivers
Defeat 10 HK Drones
Beat Regular Game
Defeat Boss 8
Defeat 100 Omniturrets
Defeat 25 Troopers
Defeat 10 Snipers
Defeat Boss 7
Find All Map Pieces
Defeat 100 Turrets
Defeat 25 Omniturrets
Defeat 25 Poisoners
Defeat Boss 6
Defeat 25 Ninja Warriors
Defeat 25 Ninjas
Defeat Boss 5
Defeat 25 Turrets
Defeat Boss 4
Defeat 25 Centurions
Defeat 100 Chefs
Defeat 100 Warriors
Defeat 100 Sentries
Defeat 100 Football Players
Defeat 100 Thugs
Defeat 100 Enforcers
Defeat Boss 3
Defeat 25 Sentries
Defeat Boss 2
Defeat 25 Chefs
Defeat 25 Warriors
Defeat 25 Football Players
Defeat Boss 1
Defeat 20 Enforcers
Defeat 10 Thugs