Garry's Mod Achievements Here is the full list of all 29 Garry's Mod achievements. It takes around 200 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by Won first then by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc Flag Filter All None 28 Online Mode 1 Offline Mode 24 Single Player 13 Cumulative + 1 Viral 4 Time Consuming 4 Community 3 Cumulative - 24 Cooperative 4 Time/Date 1 x10 Players Required Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply AllWonNot wonPlay MultiplayerPlay multiplayer at least once 23 September 2012 - 1 guideStartup MilleniumStart Garry's Mod 1000 times 23 September 2012 - 1 guideSecret PhraseSay the secret phrase 23 September 2012 - 4 guidesAddictYou have wasted a year of your life playing GMod! 23 September 2012 - 2 guidesPlay AroundPlay a gamemode that isn't sandbox 23 September 2012 - 1 guideWar ZoneKilled 1000 Baddies 23 September 2012 - 1 guideFriendlyPlay with 10 friends 23 September 2012 - 1 guideYes, I am the real garry!Play on the same server as garry 23 September 2012 - 2 guidesMarathonPlay on the same server & map for 8 hours 23 September 2012 - 1 guideHalf MarathonPlay on the same server & map for 4 hours 23 September 2012 - 1 guideOne Day24 hours of your life wasted 23 September 2012 - 1 guideOne WeekOne whole week of your life wasted 23 September 2012 - Add a guideOne MonthOne whole month of your life wasted 23 September 2012 - Add a guideInnocent BystanderKill 1000 innocent animals 23 September 2012 - 1 guideBall EaterEat 200 balls 23 September 2012 - 1 guideCreatorSpawn 5000 props 23 September 2012 - Add a guidePopperBurst 1000 balloons 23 September 2012 - 1 guideDestroyerRemove 5000 things 23 September 2012 - 1 guideMenu UserOpen the spawnmenu 100,000 times 23 September 2012 - 1 guideProcreatorSpawn 1000 NPCs 23 September 2012 - 1 guideDollhouseSpawn 2000 ragdolls 23 September 2012 - Add a guideBad FriendKill 1000 friendly NPCs 23 September 2012 - 1 guideBad CoderExperience 500 Lua programming errors 09 March 2012 - 1 guideMap LoaderPlay 20 different maps 19 July 2011 - 1 guidePlay SingleplayerPlay singleplayer at least once 22 June 2011 - 1 guide10 ThumbsYour Workshop uploads got 10 thumbs Locked - Add a guide100 ThumbsYour workshop uploads got 100 thumbs Locked - Add a guide1000 ThumbsYour Workshop uploads got 1000 thumbs Locked - 1 guideMega UploadGet 1000 thumbs on a single upload (then go to jail) Locked - 1 guide