Tree Trunk Brook Achievements Here is the full list of all 6 Tree Trunk Brook 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 PhotosTake all the photos. Lost ItemsReturn all the lost items. Best FriendsBest friend all the hikers. RecyclePick up over 20 pieces of litter. ReusePick up over 35 pieces of litter. ReducePick up over 50 pieces of litter.