Sign Up / Log In

Batman Arkham Underworld

Google Play
  • 1,260 Achievements Earned
  • 292 Players Tracked
  • 81 Total Achievements
  • 48,499 Obtainable EXP
  • 82,000 Points (XP)
  • 0 100% Club
FIRST DEFENSE (TIER 1)

Add a Sentry to protect your hideout

500
100.00% Common - 35.00 EXP

You have not earned this achievement yet