Alien Breed
21 Achievements
PS3
HARD AS NAILS
COMPLETE ALIEN BREED
22.9%
How to unlock the HARD AS NAILS achievement in Alien Breed - Definitive Guide
KeyserSoze515
You must complete all 30 levels in the game. There are 6 levels in Alien Breed, 12 in Alien Breed Special Edition and 4 each in Convergence, Valiance and Synergy.