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. 24 August 2012 - Add a guideCan't Touch ThisTook no damage while defeating the final boss. 23 August 2012 - 2 guidesGreased LightningCleared Green Hill within one minute. 23 August 2012 - 1 guideAction HeroPerformed all of Sonic's actions in Act 2. 23 August 2012 - Add a guideBig BangGot Rank S in all acts. 23 August 2012 - Add a guide(Hedge)Hogging It All Up!Got all collectibles. 23 August 2012 - Add a guideMad SkillzGot all custom skills. 23 August 2012 - Add a guideRed Ring CollectorGot all Red Star Rings. 23 August 2012 - Add a guideColor Power! 23 August 2012 - Add a guideThe Byway or the Highway 23 August 2012 - 1 guideA Quick Breather 23 August 2012 - 1 guideWalk on WaterCleared CHEMICAL PLANT without entering the water. 23 August 2012 - 1 guideSecret Sleuth 23 August 2012 - Add a guideBlue CometGot Rank S in acts 12 times. 23 August 2012 - Add a guideJump for Joy!Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring. 23 August 2012 - Add a guideMission Accomplished!Cleared all the missions. 23 August 2012 - Add a guideBonds of FriendshipCompleted all of Sonic's friends' Challenges. 12 August 2012 - Add a guideSupersonic! 08 August 2012 - Add a guideRing KingReached the goal without dropping any of the rings you collected in GREEN HILL Act 1. 08 August 2012 - Add a guideBlazing MeteorGot Rank S in acts seven times. 08 August 2012 - Add a guideHalfway PointCleared half the missions. 08 August 2012 - Add a guideAll Stages Clear!Cleared Sonic Generations. 08 August 2012 - Add a guideTreasure Hunter 08 August 2012 - Add a guideBoom Boom Dragoon 08 August 2012 - Add a guideSilver Got Served 08 August 2012 - Add a guideShadow Boxing 08 August 2012 - Add a guideWalkie TalkieChatted with all of Sonic's friends you saved. 08 August 2012 - Add a guidePLANET WISP Restored! 08 August 2012 - Add a guideROOFTOP RUN Restored! 08 August 2012 - Add a guideTrickstarExecuted a trick with a seven-step combo or longer. 08 August 2012 - 1 guideA 30-Second TestParticipated in a 30 Second Trial. 03 August 2012 - Add a guideJoin the RanksJoined the rankings. 03 August 2012 - Add a guideCRISIS CITY Restored! 03 August 2012 - Add a guideLook Both Ways 03 August 2012 - Add a guidePerfect Punisher 03 August 2012 - Add a guideSEASIDE HILL Restored! 03 August 2012 - Add a guideCITY ESCAPE Restored! 03 August 2012 - Add a guideDemolition Derby 03 August 2012 - Add a guideSPEED HIGHWAY Restored! 03 August 2012 - Add a guideSunny side up 03 August 2012 - Add a guideScrap Metal 03 August 2012 - Add a guideSKY SANCTUARY Restored! 03 August 2012 - Add a guideEradicatorDefeated 100 enemies. 03 August 2012 - Add a guideShooting StarGot Rank S in acts three times. 03 August 2012 - Add a guideWalk on Air 03 August 2012 - Add a guideGREEN HILL Restored! 03 August 2012 - Add a guideCHEMICAL PLANT Restored! 03 August 2012 - Add a guideBright StarGot Rank S in an act. 02 August 2012 - Add a guideThe Opening ActCompleted the first stage. 02 August 2012 - Add a guide