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 14 April 2016 - Add a guideUltimate Zombie LeaderCollect 90 stars 09 March 2016 - Add a guideSnowrunnerBeat all winter levels with total time lower than 8 minutes 09 March 2016 - Add a guideWinter has comeFinish all winter levels 09 March 2016 - Add a guideSpeedrunnerBeat all summer levels with total time lower than 15 minutes 02 August 2015 - Add a guideZombie LeaderCollect 60 stars 02 August 2015 - Add a guideGlobal infectionFinish the game 02 August 2015 - Add a guidePlaying wellCollect 40 stars 02 August 2015 - Add a guideGetting startedCollect 20 stars 02 August 2015 - Add a guideIn my army nowTurn 10 soldier into zombies 02 August 2015 - Add a guideNo leader is perfectLose a zombie 02 August 2015 - Add a guideFirst bloodDie for the very first time 02 August 2015 - Add a guideNon omnis moriarTurn a human into zombie 02 August 2015 - 1 guide