Finish a wave by killing all enemies using different traps.
Minos
Minos - Supporter Pack Steam DLC key
×1
Complete first quest Goblin Appetizer (First Course In-game Challenge).
LORT
LORT Steam key
×1
Reach wave 10 in the Siege Mode
Warhammer 40,000: Space Marine II
Void Crew Steam key
×1
Help an incapacitated Brother back up.
Warhammer 40,000: Space Marine II
Void Crew Steam key
×1
Have Peggy the Voodoo Merc join your party.
For the King II
For the King II Wallpaper
×1
Send your fighter planes after the enemy planes during an air raid.
Ground of Aces
First Strike Steam key
×1
Set up an area with outdoor + indoor space with training machines for all 6 different stats.
Ground of Aces
Ground of Aces Steam Early Access key
×1
Try to make it through an entire zone without battling anything yourself.
Creature Keeper
Creature Keeper Steam Key + Developer Q&A
×1