Sonic Generations Collection Achievements Here is the full list of all 49 Sonic Generations Collection achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort by Won first then 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 Offline Mode 3 Online Mode 7 Online/Offline 49 Single Player 19 Main Storyline 9 Collectable 1 Cumulative + 6 Time/Date Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply AllWonNot wonTime AttackerPlayed Time Attack on all stages. 17 December 2018 - Add a guideCan't Touch ThisTook no damage while defeating the final boss. 17 December 2018 - 2 guidesLook Both Ways 17 December 2018 - Add a guideWalk on WaterCleared CHEMICAL PLANT without entering the water. 17 December 2018 - 1 guideSupersonic! 17 December 2018 - Add a guideJoin the RanksJoined the rankings. 17 December 2018 - Add a guide(Hedge)Hogging It All Up!Got all collectibles. 17 December 2018 - Add a guideMission Accomplished!Cleared all the missions. 17 December 2018 - Add a guideBonds of FriendshipCompleted all of Sonic's friends' Challenges. 17 December 2018 - Add a guideMad SkillzGot all custom skills. 17 December 2018 - Add a guideRed Ring CollectorGot all Red Star Rings. 17 December 2018 - Add a guideBig BangGot Rank S in all acts. 17 December 2018 - Add a guideColor Power! 17 December 2018 - Add a guideA Quick Breather 17 December 2018 - 1 guideBlue CometGot Rank S in acts 12 times. 16 December 2018 - Add a guideSecret Sleuth 16 December 2018 - Add a guideThe Byway or the Highway 16 December 2018 - 1 guideWalkie TalkieChatted with all of Sonic's friends you saved. 16 December 2018 - Add a guideHalfway PointCleared half the missions. 16 December 2018 - Add a guideAll Stages Clear!Cleared Sonic Generations. 15 December 2018 - Add a guideTreasure Hunter 15 December 2018 - Add a guideBoom Boom Dragoon 15 December 2018 - Add a guideSilver Got Served 15 December 2018 - Add a guidePLANET WISP Restored! 15 December 2018 - Add a guideROOFTOP RUN Restored! 15 December 2018 - Add a guideCRISIS CITY Restored! 15 December 2018 - Add a guidePerfect Punisher 15 December 2018 - Add a guideShadow Boxing 15 December 2018 - Add a guideSEASIDE HILL Restored! 15 December 2018 - Add a guideAction HeroPerformed all of Sonic's actions in Act 2. 15 December 2018 - Add a guideCITY ESCAPE Restored! 15 December 2018 - Add a guideDemolition Derby 15 December 2018 - Add a guideSPEED HIGHWAY Restored! 15 December 2018 - Add a guideBlazing MeteorGot Rank S in acts seven times. 15 December 2018 - Add a guideA 30-Second TestParticipated in a 30 Second Trial. 15 December 2018 - Add a guideGreased LightningCleared Green Hill within one minute. 13 December 2018 - 1 guideSunny side up 08 December 2018 - Add a guideScrap Metal 08 December 2018 - Add a guideSKY SANCTUARY Restored! 08 December 2018 - Add a guideShooting StarGot Rank S in acts three times. 08 December 2018 - Add a guideWalk on Air 08 December 2018 - Add a guideCHEMICAL PLANT Restored! 08 December 2018 - Add a guideEradicatorDefeated 100 enemies. 08 December 2018 - Add a guideJump for Joy!Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring. 08 December 2018 - Add a guideGREEN HILL Restored! 08 June 2013 - Add a guideTrickstarExecuted a trick with a seven-step combo or longer. 08 June 2013 - 1 guideBright StarGot Rank S in an act. 08 June 2013 - Add a guideThe Opening ActCompleted the first stage. 08 June 2013 - Add a guideRing KingReached the goal without dropping any of the rings you collected in GREEN HILL Act 1. 08 June 2013 - Add a guide