Alien Swarm
Steam
- 1,354,594 Achievements Earned
- 82,929 Players Tracked
- 66 Total Achievements
- 11,550 Obtainable EXP
- 3,329 100% Club
Complete Rydberg Reactor within 3:10 on Normal difficulty or harder without any marines dying.
6.60%
Very Rare - 319.00 EXP
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