Mugsters Achievements Here is the full list of all 20 Mugsters achievements.Filter Achievement View View Image viewList view Sort 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 20 Offline Mode 18 Single Player 2 Cooperative 1 Main Storyline 9 Collectable 1 Cumulative + 2 Time/Date Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Party StarterActivate all of the Roller Coasters in the Home Island (Single Player) Five On The BackCollect 5 Crystals (Single Player) CollectorCollect 35 crystals (Single Player) Stacking CrystalsCollect 80 crystals (Single Player) HoarderCollect all crystals (Single Player) HelperSave 5 humans (Single Player) ContributorSave 15 humans (Single Player) Capsule CrackerSave 30 humans (Single Player) True RescuerSave all humans (Single Player) Island ExplorerComplete all sub goals on one island (Single Player) The AchieverComplete all sub goals on all islands (Single Player) Final DetonationBlow Up 256 Barrels (Single Player) They Came In PeaceBecome trapped by a Giant UFO Gone HomeFinish Island 25 Assisted ActionComplete 5 co-op multiplayer islands (MP) The Team PlayersComplete all co-op multiplayer islands (MP) Blast TravellerFinish island 12 in 90 seconds or less in Single Player Rising All-TimerSet a time for each of the islands in Single Player Easy RiderRide a moped SpeedsterSet a time for the Home Island