Here is the full list of all 20 Magicolors achievements.
Finish the TEMPLE scenario
Finish the TEMPLE scenario with 3 stars in all levels
End the game
End the game with 3 starts in all levels
Energize 50 objects
Acquire the ENEGY spell
Finish the VOLCANO scenario with 3 stars in all levels
Finish the VOLCANO scenario
Burn 50 objects
Acquire the HEAT spell
Finish the ICE MOUNTAIN scenario with 3 stars in all levels
Finish the ICE MOUNTAIN scenario
Freeze 50 objects
Acquire the FREEZE spell
Make 99 moves in one level
Shoot 99 spells in one level
Finish the HOME scenario with 3 stars in all levels
Finish the HOME scenario
Push 50 objects
Acquire the PUSH spell