Trine 4: The Nightmare Prince Achievements Here is the full list of all 39 Trine 4: The Nightmare Prince achievements. It takes around 15-20 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 39 Online/Offline 39 Single Player 39 Cooperative 18 Main Storyline 21 Collectable Link flagsOR joinAND join What are achievement flags? Click to find outApply A Wizard's QuestComplete A Wintery Morning A Knightly QuestComplete The Cursed Manor An Enterprising QuestComplete A Masquerade Night Across the MoorsComplete Craghill Moors Through the ThornsComplete The Thorny Hedge Maze Running in RuinsComplete Heatherwood Hall A Castle in a DreamComplete The Prince's Dream Moths in MoonlightComplete Moonlit Forests A Badger's JournalComplete The Badgerborough A Hedgehog's SeedsComplete Goldleaf Garden A Dip in the LakeComplete Firwood Water Bogged DownComplete The Crackling Mire Suddenly a BearComplete the Blueberry Dale The Potion of LightComplete The Gossamer Grove Everything is FineComplete Snow-Topped Heights Darker DepthsComplete The Nightmare Academy Chasing ShadowsComplete Haunted Tombs To Recover a PrinceComplete the game The Morning HuntCollect all experience in A Wintery Morning The Cursed HuntCollect all experience in The Cursed Manor The Masquerade HuntCollect all experience in A Masquerade Night The Craghill HuntCollect all experience in Craghill Moors The Thorny HuntCollect all experience in The Thorny Hedge Maze Looting RuinsCollect all experience in Heatherwood Hall Sweeping DreamsCollect all experience in The Prince's Dream The Moonlit HuntCollect all experience in Moonlit Forests The Underground HuntCollect all experience in The Badgerborough The Golden HuntCollect all experience in Goldleaf Grove The Lakeside HuntCollect all experience in Firwood Water The Mired HuntCollect all experience in The Crackling Mire The Blueberry HuntCollect all experience in The Blueberry Dale The Gossamer HuntCollect all experience in The Gossamer Grove The Snowbound HuntCollect all experience in Snow-Topped Heights The Nightmare HuntCollect all experience in The Nightmare Academy The Haunted HuntCollect all experience in Haunted Tombs Experienced HunterCollect all experience in the game First Class DeliveryCollect all Letters in the game Treasure SeekerCollect all Treasures in the game Bits and PiecesCollect all Knicknacks in the game