Garry's Mod achievements
1,142
(290)

Garry's Mod

3.8 from 186 votes

There are a maximum of 29 Garry's Mod achievements (15 without DLC) worth 1,142

6,900 tracked gamers have this game, 58 have completed it (0.84%)

Achievement Details

Marathon in Garry's Mod

Marathon31

Play on the same server & map for 8 hours

  • Unlocked by 694 tracked gamers (10% - TSA Ratio = 3.14) 6,900  
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