Alien Swarm
Steam
- 1,354,275 Achievements Earned
- 82,949 Players Tracked
- 66 Total Achievements
- 11,586 Obtainable EXP
- 3,313 100% Club
Complete Rydberg Reactor within 3:10 on Normal difficulty or harder without any marines dying.
6.58%
Very Rare - 320.00 EXP
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