Full list of all 8 Unreal Zombies achievements.
The base game contains 1 achievement, and there is 1 DLC pack containing 7 achievement.
Completed Hassei No Mori on any difficulty.
Completed House of the Dead on any difficulty.
Completed Backyard Battleground on any difficulty.
Completed The Maze on any difficulty.
Use Melee on the Speed Unreals 100 Times