For the Swarm Achievement - Section 8 - Exophase.com

Section 8

GFWL

18,678 Achievements Earned
1,910 Players Tracked
60 Total Achievements
16,832 Obtainable EXP
1,250 Gamerscore
13 100% Club

Win a game of Swarm on Hard difficulty on all maps

50

2.30% Ultra Rare - 839.00 EXP

You have not earned this achievement yet