PLANET ALPHA Achievements Here is the full list of all 16 PLANET ALPHA achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.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 Mossy SlumberResting by the pond Bone Appetite!How did they get it up there Second ChanceFalling is not an option Those in NeedSlipping through the cracks Opposite DirectionDownwards is the new upwards Beneath the CloudsWhat lies beyond Reaching for the SunCan't compete with the trees Dead EndCuriosity is key Down goes the WaterDon't fight the flow Lost in the DarkAnother time another opportunity Exploring the UnknownCollecting the first artifact Searching for AnswersCollecting the second artifact Eager for the TruthCollecting the third artifact Unfolding The MysteryCollecting the fourth artifact All TogetherLike a big family 1 guideTimeline ErasedIt was never meant to happen