I, Zombie Achievements Here is the full list of all 13 I, Zombie achievements. It takes around 1-2 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 13 Offline Mode 13 Single Player 1 Community 4 Main Storyline 1 Cumulative + 2 Time/Date Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply AllWonNot wonSocial WalkerPlay at least one community level 15 April 2016 - Add a guideUltimate Zombie LeaderCollect 90 stars 07 March 2016 - Add a guideSnowrunnerBeat all winter levels with total time lower than 8 minutes 07 March 2016 - Add a guideWinter has comeFinish all winter levels 07 March 2016 - Add a guideZombie LeaderCollect 60 stars 16 December 2014 - Add a guideGlobal infectionFinish the game 16 December 2014 - Add a guideSpeedrunnerBeat all summer levels with total time lower than 15 minutes 16 December 2014 - Add a guidePlaying wellCollect 40 stars 16 December 2014 - Add a guideGetting startedCollect 20 stars 15 December 2014 - Add a guideIn my army nowTurn 10 soldier into zombies 15 December 2014 - Add a guideNo leader is perfectLose a zombie 15 December 2014 - Add a guideFirst bloodDie for the very first time 15 December 2014 - Add a guideNon omnis moriarTurn a human into zombie 15 December 2014 - 1 guide