Undusted: Letters from the Past Achievements Here is the full list of all 36 Undusted: Letters from the Past achievements. It takes around 3-4 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 A Dusted Key Bunny Ears! Shattered Shining in the Darkness A Little Ditty No Means No Snow-capped Left Behind In Darkness Found Words Gone Astray Shouldn't Have Said That What Was Left Inside What Had Always Been There Unexceptional If I Had Called First... Nothing Left Undusted Say Cheese! Air it Out!Use the air blow gun Squeak!Use the cloth Patience is an ArtClean any object using only the air blow gun It's Still Not Working!While hints are unavailable, try to use them 3 times Letters From the Past Let It SnowTurn the snow globe into a winter wonderland An Excuse to Call YouListen to the easter egg recorded on the telephone A Shining StartClean 4 objects to 100% Nearly SpotlessClean 8 objects to 100% Every Last SpeckClean all objects to 100% Simple and CleanClean all items to 100% using only the sponge and toothbrush Echo... Echo... Echo...Listen to the drum echo in the MIDI Controller Too Pretty to CleanClean off a flower Clean as an Ocarina With These Hands No Help NeededAchieve 100% in any stage (excluding the tutorial) without using any hints Dad's Final Song Like She Once Did Etched in Heart