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 wonStartup MilleniumStart Garry's Mod 1000 times 25 December 2012 - 1 guideSecret PhraseSay the secret phrase 25 December 2012 - 4 guidesAddictYou have wasted a year of your life playing GMod! 25 December 2012 - 2 guidesFriendlyPlay with 10 friends 25 December 2012 - 1 guideYes, I am the real garry!Play on the same server as garry 25 December 2012 - 2 guidesMarathonPlay on the same server & map for 8 hours 25 December 2012 - 1 guideHalf MarathonPlay on the same server & map for 4 hours 25 December 2012 - 1 guideOne WeekOne whole week of your life wasted 25 December 2012 - Add a guideOne MonthOne whole month of your life wasted 25 December 2012 - Add a guideInnocent BystanderKill 1000 innocent animals 25 December 2012 - 1 guideBall EaterEat 200 balls 25 December 2012 - 1 guideCreatorSpawn 5000 props 25 December 2012 - Add a guidePopperBurst 1000 balloons 25 December 2012 - 1 guideDestroyerRemove 5000 things 25 December 2012 - 1 guideMenu UserOpen the spawnmenu 100,000 times 25 December 2012 - 1 guideDollhouseSpawn 2000 ragdolls 25 December 2012 - Add a guideBad FriendKill 1000 friendly NPCs 25 December 2012 - 1 guide10 ThumbsYour Workshop uploads got 10 thumbs 25 December 2012 - Add a guide100 ThumbsYour workshop uploads got 100 thumbs 25 December 2012 - Add a guide1000 ThumbsYour Workshop uploads got 1000 thumbs 25 December 2012 - 1 guideMega UploadGet 1000 thumbs on a single upload (then go to jail) 25 December 2012 - 1 guideMap LoaderPlay 20 different maps 24 October 2011 - 1 guideWar ZoneKilled 1000 Baddies 21 June 2011 - 1 guideOne Day24 hours of your life wasted 18 April 2011 - 1 guideProcreatorSpawn 1000 NPCs 04 September 2010 - 1 guidePlay AroundPlay a gamemode that isn't sandbox 21 August 2010 - 1 guideBad CoderExperience 500 Lua programming errors 21 August 2010 - 1 guidePlay MultiplayerPlay multiplayer at least once 21 August 2010 - 1 guidePlay SingleplayerPlay singleplayer at least once 21 August 2010 - 1 guide