PlayStation 2

I Need to Sell Your Xen Crystals

Complete "Xen Attacks" with both Drone X-8973 and Drone R-4913 achieving an A Grade

Achievement in Half-Life

50Points

0Nobody has unlocked it yet

— Of this game's players

No dataRarity

Want to unlock “I Need to Sell Your Xen Crystals”?

Play Half-Life on Etera, track your progress and climb the rankings.

Get Etera See all achievements