Log In

Defense Grid

Xbox 360
  • 166,068 Achievements Earned
  • 32,558 Players Tracked
  • 22 Total Achievements
  • 17,703 Obtainable EXP
  • 300 Gamerscore
  • 656 100% Club
Siege Breaker

Survive all 99 waves on any Grinder challenge mode.

25
16.22% Rare - 296.00 EXP

You have not earned this achievement yet