Keeper Of The Grove 3
Once upon a time, a magical grove sheltering crystals of great power and inhabited by some benevolent beings called the guardians.
Unfortunately, the inevitable happened and hordes of evil goblins are preparing to invade the enchanted forest to steal the precious crystals.
Keeper of the Grove 3 is a tower defense game in which you'll have to strategically build your towers to slow / kill all your enemies and prevent them at all costs from capturing the stones.
See also: Keeper Of The Grove 2