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 wonOne Day24 hours of your life wasted 23 May 2026 - 1 guidePlay SingleplayerPlay singleplayer at least once 23 May 2026 - 1 guideMarathonPlay on the same server & map for 8 hours 22 May 2026 - 1 guideHalf MarathonPlay on the same server & map for 4 hours 22 May 2026 - 1 guidePlay AroundPlay a gamemode that isn't sandbox 29 April 2020 - 1 guidePlay MultiplayerPlay multiplayer at least once 29 April 2020 - 1 guideStartup MilleniumStart Garry's Mod 1000 times Locked - 1 guideSecret PhraseSay the secret phrase Locked - 4 guidesAddictYou have wasted a year of your life playing GMod! Locked - 2 guidesMap LoaderPlay 20 different maps Locked - 1 guideWar ZoneKilled 1000 Baddies Locked - 1 guideFriendlyPlay with 10 friends Locked - 1 guideYes, I am the real garry!Play on the same server as garry Locked - 2 guidesOne WeekOne whole week of your life wasted Locked - Add a guideOne MonthOne whole month of your life wasted Locked - Add a guideInnocent BystanderKill 1000 innocent animals Locked - 1 guideBall EaterEat 200 balls Locked - 1 guideCreatorSpawn 5000 props Locked - Add a guidePopperBurst 1000 balloons Locked - 1 guideDestroyerRemove 5000 things Locked - 1 guideMenu UserOpen the spawnmenu 100,000 times Locked - 1 guideBad CoderExperience 500 Lua programming errors Locked - 1 guideProcreatorSpawn 1000 NPCs Locked - 1 guideDollhouseSpawn 2000 ragdolls Locked - Add a guideBad FriendKill 1000 friendly NPCs Locked - 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