Portal 2
Xbox 360
- 1,504,780 Achievements Earned
- 77,203 Players Tracked
- 50 Total Achievements
- 7,312 Obtainable EXP
- 1,000 Gamerscore
- 4,823 100% Club
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
20
12.87%
Very Rare - 309.00 EXP
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