William and Sly: Classic Collection Achievements Here is the full list of all 14 William and Sly: Classic Collection 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 Weather Mage(W&S 1) Turn off the rain Dominus Lux(W&S 1) Slay 5 Darklings Sensitive Nose(W&S 1) Find all the mushrooms Deviation(W&S 1) Unlock all boxes and switches Resolution(W&S 1) Complete the game Flight(W&S 1) Find the wings Sly Fox(W&S 1) Earn more than 35,000 points Disillusioned(W&S 2) Find 50 mushrooms Dazed and Confused(W&S 2) Find all the mushrooms Happy Thoughts(W&S 2) Learn to fly Firefox(W&S 2) Flame away Studious(W&S 2) Find 5 journal pages The End(W&S 2) Complete the game Ohnemous(W&S 2) Open the runes