Your High Elf reaches Level 15.

Any Hero fighting alongside three other heroes in multiplayer mode.

Any Hero has executed his first combination.

Successfully hold the beachhead

Any Hero has used a teleporter for the first time.

Spirit of Amadeus Arkham revealed

Complete story mode on Easy difficulty

Solve every riddle on the island

Kill or incapacitate 50 enemies

Defeat the giant Titan Ivy plant

Destroy the PLA armored units around the village in Powder Trail

Capture the airfield

Disable the SAM sites