Sonic Mania Achievements Full list of all 18 Sonic Mania achievements worth 1,000 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox One.Filter Achievement View View Image viewList view Sort by TrueAchievement desc TrueAchievement asc Achievement name desc Achievement name asc GamerScore desc GamerScore asc TA Ratio desc TA Ratio asc Gamers desc Gamers asc Xbox.com order Date won desc Date won asc Flag Filter All None 18 Offline Mode 18 Single Player 1 Main Storyline 1 Story Completed 2 Stackable 7 Collectable 1 Cumulative + 1 Cumulative - 1 Time/Date Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply No Way? No Way!Collect gold medallions in Blue Spheres Bonus stage 3 guidesFull Medal JacketCollect silver medallions in Blue Spheres Bonus stage 2 guidesHide adsMagnificent SevenCollect all seven Chaos Emeralds 4 guidesSee You Next GameAchieve any ending 2 guidesSuperstarSpin the Star Post! 3 guidesThat's a Two-ferFind the hidden item boxes at the end of the Zone 3 guidesNow It Can't Hurt You AnymoreWhat would happen if you cross a bridge with a fire shield? 3 guidesTriple TroubleTry for a 3 chain combo! 2 guidesThe Most Famous Hedgehog in the WorldHave your photos taken in Studiopolis Zone 3 guidesWindow ShoppingLet the wind take you through 2 guides Crate ExpectationsWreak havoc at the propaganda factory 3 guidesKing of SpeedGet through Stardust Speedway Zone as quickly as possible 4 guidesBoat EnthusiastWe really like boats 2 guidesThe Password is "Special Stage"Try pushing a barrel to see how far it goes 3 guidesSecret SubYou might have to submerge to find it 2 guidesWithout a TraceBarrel through the lava, don't let anything stop you 2 guidesCollect 'Em AllGotta gacha 'em all 5 guidesProfessional HedgehogThat elusive perfect run, only a professional can achieve 4 guides