1979 Invasion Earth Achievements Here is the full list of all 15 1979 Invasion Earth 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 Zone 1Defending Old Blighty Zone 2Defending Moscow Zone 3Defending Tokyo Zone 4Defending Toronto Zone 5Defending Paris Zone 6Defending Paris Zone 7Defending New York First BloodSmashed an alien First BossDestroyed your first alien mothership Survived 120 SecondsTwo whole minutes in Survival Mode Survived 240 SecondsFour whole minutes in Survival Mode Survived 300 SecondsFive whole killer minutes in Survival Mode 5 LivesThe proud owner of five lives.. nice 300 Human SurvivorsCompleted Stage with at least 300 Human Survivors Completed SkillShotFinished all stages in Skill Shot Mode