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. 05 January 2013 - Add a guideCan't Touch ThisTook no damage while defeating the final boss. 23 December 2012 - 2 guides(Hedge)Hogging It All Up!Got all collectibles. 23 December 2012 - Add a guideMad SkillzGot all custom skills. 23 December 2012 - Add a guideRed Ring CollectorGot all Red Star Rings. 23 December 2012 - Add a guideSecret Sleuth 22 December 2012 - Add a guideThe Byway or the Highway 22 December 2012 - 1 guideMission Accomplished!Cleared all the missions. 22 December 2012 - Add a guideBonds of FriendshipCompleted all of Sonic's friends' Challenges. 22 December 2012 - Add a guideWalkie TalkieChatted with all of Sonic's friends you saved. 20 December 2012 - Add a guideWalk on WaterCleared CHEMICAL PLANT without entering the water. 20 December 2012 - 1 guideGreased LightningCleared Green Hill within one minute. 20 December 2012 - 1 guideJump for Joy!Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring. 20 December 2012 - Add a guideBig BangGot Rank S in all acts. 20 December 2012 - Add a guideBlue CometGot Rank S in acts 12 times. 20 December 2012 - Add a guideLook Both Ways 20 December 2012 - Add a guideColor Power! 20 December 2012 - Add a guideAction HeroPerformed all of Sonic's actions in Act 2. 20 December 2012 - Add a guideWalk on Air 01 December 2012 - Add a guideBlazing MeteorGot Rank S in acts seven times. 01 December 2012 - Add a guideShooting StarGot Rank S in acts three times. 01 December 2012 - Add a guideRing KingReached the goal without dropping any of the rings you collected in GREEN HILL Act 1. 01 December 2012 - Add a guideSupersonic! 01 December 2012 - Add a guideA 30-Second TestParticipated in a 30 Second Trial. 01 December 2012 - Add a guideAll Stages Clear!Cleared Sonic Generations. 30 November 2012 - Add a guideTreasure Hunter 30 November 2012 - Add a guideBoom Boom Dragoon 30 November 2012 - Add a guideSilver Got Served 30 November 2012 - Add a guidePLANET WISP Restored! 30 November 2012 - Add a guideROOFTOP RUN Restored! 30 November 2012 - Add a guideA Quick Breather 30 November 2012 - 1 guideCRISIS CITY Restored! 30 November 2012 - Add a guidePerfect Punisher 30 November 2012 - Add a guideHalfway PointCleared half the missions. 29 November 2012 - Add a guideShadow Boxing 29 November 2012 - Add a guideSEASIDE HILL Restored! 29 November 2012 - Add a guideCITY ESCAPE Restored! 29 November 2012 - Add a guideDemolition Derby 29 November 2012 - Add a guideSPEED HIGHWAY Restored! 29 November 2012 - Add a guideSunny side up 29 November 2012 - Add a guideJoin the RanksJoined the rankings. 29 November 2012 - Add a guideScrap Metal 29 November 2012 - Add a guideSKY SANCTUARY Restored! 29 November 2012 - Add a guideTrickstarExecuted a trick with a seven-step combo or longer. 29 November 2012 - 1 guideEradicatorDefeated 100 enemies. 29 November 2012 - Add a guideCHEMICAL PLANT Restored! 29 November 2012 - Add a guideGREEN HILL Restored! 29 November 2012 - Add a guideBright StarGot Rank S in an act. 29 November 2012 - Add a guideThe Opening ActCompleted the first stage. 29 November 2012 - Add a guide