The incredible friends Achievements Here is the full list of all 7 The incredible friends 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 What are achievement flags? Click to find outApply 1 WorldComplete 1 world 2 WorldComplete 2 world 3 WorldComplete 3 world 10 ZombiesKill 10 Zombies 100 ZombiesKill 100 Zombies 1000 ZombiesKill 1000 Zombies VictoryComplete the Game