Mushroom Simulator Co-op Achievements Here is the full list of all 30 Mushroom Simulator Co-op 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 Alpha ShroomReach maximum size. You are visible from space. Probably. ChatterboxTalk nonstop for 5 minutes. The forest now knows your whole life story. InedibleSurvive one full in-game day without taking damage. Even worms ignored you. First HarvestGet picked by the mushroom picker for the first time. Welcome to the basket. ChoirAll living mushrooms talk together for 30 seconds. The forest shuddered. Mutant MushroomGet a rare mushroom form. Botany textbooks are not ready for this. Old-TimerSurvive for 5 in-game days. Forest LegendSurvive for 10 in-game days. Eternal MushroomSurvive for 30 in-game days. At this point, the forest pays rent to you. Last One StandingBecome the only survivor after at least three mushrooms were standing close together. Don't Touch Me! IScare a hedgehog with your voice 10 times. Don't Touch Me! IIScare a hedgehog with your voice 25 times. Don't Touch Me! IIIScare a hedgehog with your voice 50 times. The hedgehogs have started a support group. Neighbor IStay close to another mushroom for 3 in-game days. Neighbor IIStay close to another mushroom for 5 in-game days. Neighbor IIIStay close to another mushroom for 10 in-game days. True mycelium friendship. Anyone Here?Stay completely silent for 3 minutes. Suspiciously mushroom-like behavior. Rain Doping IGrow by talking during rain for 5 minutes in total. Rain Doping IIGrow by talking during rain for 10 minutes in total. Rain Doping IIIGrow by talking during rain for 30 minutes in total. Completely legal forest doping. Must've Been the Wind IAttract the mushroom picker and survive 10 times. Must've Been the Wind IIAttract the mushroom picker and survive 20 times. Must've Been the Wind IIIAttract the mushroom picker and survive 30 times. Clearly just wind. Vermiphobia IAvoid a worm attack without taking damage 5 times. Vermiphobia IIAvoid a worm attack without taking damage 10 times. Vermiphobia IIIAvoid a worm attack without taking damage 15 times. The worms are embarrassed. Mushroom Snack IGet eaten 10 times. Mushroom Snack IIGet eaten 25 times. Mushroom Snack IIIGet eaten 50 times. Nature is healing. Mushroom Snack IVGet eaten 100 times. You are basically forest fast food.