Full list of all 26 Kao the Kangaroo achievements.
The base game contains 15 achievements, and there is 1 DLC pack containing 11 achievements.
Unlock all extra heart slots
Wear an outfit from Kao 3
Collect KAO letters on all Levels
Find and complete all of the Eternal Wells
Collect All Eternal Runes
Finish the game
Beat the Eternal Warrior
Collect all Kaopedia entries about Foes
Defeat the Oldest One
Have 20 lives in total
Defeat the Jayabaya
Find and defeat the Terror
Defeat one of the Bosses without receiving any damage
Defeat 5 enemies at once with finisher
Complete a tutorial with Walt
Complete Twisted Hideout (Hard Mode)
Collect every diamond in the Bend the Roo'les
Complete Waterfall Islands (Hard Mode)
Complete Forsaken Monastery (Hard Mode)
Complete Volcano Peaks (Hard Mode)
Find the Frozen Pirate from Kao 2
Defeat the Crab King
Complete Twisted Hideout (Easy Mode)
Complete Forsaken Monastery (Easy Mode)
Complete Volcano Peaks (Easy Mode)
Complete Waterfall Islands (Easy Mode)