The Long Gate Achievements Here is the full list of all 11 The Long Gate 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 Digital KeyComplete the digital level Analog KeyComplete the analog level Quantum KeyComplete the quantum level Blue to BlueDiscover the alphabet wall FactoryReach the factory Find the ThreeNot Alone A cat!Is it ok in there? GrottoFind the hidden grotto Honorary EngineerComplete the game wih zero hints Castle in the mistFind the hidden couch Black hole brainConnect the spheres