Codehead UK's Summary stats for all time
Completion Percentage - 54.45%
has won 7,158 Achievements out of a possible 13,145 (54.45% Completion - 5,987 remaining)
has a Gamerscore of 153,096 out of a possible 312,335 (49.02% Completion - 159,239 remaining)
has a TrueAchievement score of 273,961 out of a possible 938,028 (29.21% Completion - 664,067 remaining)
If all achievements were worth 10 Gamerscore, the Standardized Score would be 123,931 points.
These stats exclude DLC packs without any achievements won.