UFO ENEMY KNOWN Achievements Here is the full list of all 10 UFO ENEMY KNOWN 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 Basic Training PassedComplete all parts of the tutorial (no skipping!) Scorched EarthAll forests on the map turned to ashes E=MC2First use of a nuclear weapon Smash 'n' GrabOpened 50 crates Grand Theft CrateOpened 250 crates The ProfessorOpened 1000 crates Every Great Journey...Successfully complete the first campaign mission Royal FavourComplete the Campaign and receive a medal from the princess Into the Abyss…Complete a unique random mission Whatever this way comesSuccessfully complete 50 random missions