Unverified50% confidenceFactExact time
Gamerscore is a cumulative total score across games and cannot individually mark that a specific game has been fully completed.
1
Sources
50%
Confidence
Long-term
Relevance
9/23/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedXbox pioneered the cross-game achievement system with the Gamerscore system in 2005.60% similarUnverifiedDouble Fine and Compulsion Games are permitted to retain their respective game franchises and game catalogs58% similarUnverifiedGamerscore was introduced in 2005 alongside the Xbox 360.56% similar
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