Tell Me Why Achievements Here is the full list of all 30 Tell Me Why achievements. It takes around 10-12 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 Flag Filter All None 30 Offline Mode 30 Single Player 9 Main Storyline 3 Collectable Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Chapter OneYou completed Chapter One Rear View MirrorLeave Fireweed Residential Center HomecomingEnter the Ronan House Bound To A LieRemember the night the twins agreed to lie Full ConfessionMake Tessa tell the twins everything she knows Hacking 101Find the password to unlock the Police Station computer 1 guideCrafty GoblinsSolve the puzzle on Mary-Ann's door One For The CollectionFind your first hidden Book of Goblins figure We Need To TalkTake time to talk things over with your twin. 1 guideThis Is DespicableWhen we say locked, it's locked 1 guideChapter TwoYou completed Chapter Two Rest In PeaceMake peace with Mary-Ann at the cemetery Cold CaseDiscover intel about Mary-Ann's past and her death ArborglyphCorrect the old graffiti on the tree Guess Who?Figure out who inspired each Book of Goblin character State Your EmergencyFind a recording of the twins' 911 call Sharp ShooterWin the plush battle Kick MeStick a note on Tyler's back 1 guideMoo'd ChangerProve to Tyler that moo boxes are actually funny 1 guideRemember Strange VampyrFind three classic posters 1 guideA New ChapterStart writing a new chapter with Alyson Lock-Up And GoLock-up and leave the Ronan House with Tyler Are You My Daddy?Learn the truth about Sam's relationship to the twins The Princess' Lost TreasureUncover the princess' lost treasure Twins4lifeComplete the story with the twins strongly bound together Life Tears Us ApartComplete the story with the twin's bond weakened And Everything In Its PlacePlace all collectibles in the attic Just One FixHelp Sam fix the engine Fish all the FishCatch all the fish with Michael Mailbox BanditFind out who the Mailbox Bandit really is