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 SingleplayerPlay singleplayer at least once 20 September 2013 - 1 guidePlay MultiplayerPlay multiplayer at least once 20 September 2013 - 1 guideMap LoaderPlay 20 different maps 20 September 2013 - 1 guidePlay AroundPlay a gamemode that isn't sandbox 20 September 2013 - 1 guideBad CoderExperience 500 Lua programming errors 20 September 2013 - 1 guideStartup MilleniumStart Garry's Mod 1000 times 20 September 2013 - 1 guideSecret PhraseSay the secret phrase 20 September 2013 - 4 guidesAddictYou have wasted a year of your life playing GMod! 20 September 2013 - 2 guidesWar ZoneKilled 1000 Baddies 20 September 2013 - 1 guideFriendlyPlay with 10 friends 20 September 2013 - 1 guideYes, I am the real garry!Play on the same server as garry 20 September 2013 - 2 guidesMarathonPlay on the same server & map for 8 hours 20 September 2013 - 1 guideHalf MarathonPlay on the same server & map for 4 hours 20 September 2013 - 1 guideOne Day24 hours of your life wasted 20 September 2013 - 1 guideOne WeekOne whole week of your life wasted 20 September 2013 - Add a guideOne MonthOne whole month of your life wasted 20 September 2013 - Add a guideInnocent BystanderKill 1000 innocent animals 20 September 2013 - 1 guideBall EaterEat 200 balls 20 September 2013 - 1 guideCreatorSpawn 5000 props 20 September 2013 - Add a guidePopperBurst 1000 balloons 20 September 2013 - 1 guideDestroyerRemove 5000 things 20 September 2013 - 1 guideMenu UserOpen the spawnmenu 100,000 times 20 September 2013 - 1 guideProcreatorSpawn 1000 NPCs 20 September 2013 - 1 guideDollhouseSpawn 2000 ragdolls 20 September 2013 - Add a guideBad FriendKill 1000 friendly NPCs 20 September 2013 - 1 guide10 ThumbsYour Workshop uploads got 10 thumbs 20 September 2013 - Add a guide100 ThumbsYour workshop uploads got 100 thumbs 20 September 2013 - Add a guide1000 ThumbsYour Workshop uploads got 1000 thumbs 20 September 2013 - 1 guideMega UploadGet 1000 thumbs on a single upload (then go to jail) 20 September 2013 - 1 guide