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 wonCan't Touch ThisTook no damage while defeating the final boss. 27 March 2013 - 2 guidesTime AttackerPlayed Time Attack on all stages. 26 March 2013 - Add a guideA 30-Second TestParticipated in a 30 Second Trial. 26 March 2013 - Add a guideSupersonic! 26 March 2013 - Add a guideMad SkillzGot all custom skills. 26 March 2013 - Add a guideAll Stages Clear!Cleared Sonic Generations. 26 March 2013 - Add a guide(Hedge)Hogging It All Up!Got all collectibles. 26 March 2013 - Add a guideTreasure Hunter 26 March 2013 - Add a guideBoom Boom Dragoon 26 March 2013 - Add a guideMission Accomplished!Cleared all the missions. 26 March 2013 - Add a guideBonds of FriendshipCompleted all of Sonic's friends' Challenges. 26 March 2013 - Add a guideSilver Got Served 22 March 2013 - Add a guideRed Ring CollectorGot all Red Star Rings. 22 March 2013 - Add a guideColor Power! 22 March 2013 - Add a guideWalkie TalkieChatted with all of Sonic's friends you saved. 22 March 2013 - Add a guidePLANET WISP Restored! 22 March 2013 - Add a guideBig BangGot Rank S in all acts. 22 March 2013 - Add a guideA Quick Breather 21 March 2013 - 1 guideROOFTOP RUN Restored! 21 March 2013 - Add a guideCRISIS CITY Restored! 21 March 2013 - Add a guideLook Both Ways 21 March 2013 - Add a guideJoin the RanksJoined the rankings. 21 March 2013 - Add a guidePerfect Punisher 21 March 2013 - Add a guideSecret Sleuth 21 March 2013 - Add a guideBlue CometGot Rank S in acts 12 times. 21 March 2013 - Add a guideThe Byway or the Highway 16 March 2013 - 1 guideHalfway PointCleared half the missions. 14 March 2013 - Add a guideTrickstarExecuted a trick with a seven-step combo or longer. 21 February 2013 - 1 guideShadow Boxing 20 February 2013 - Add a guideSEASIDE HILL Restored! 20 February 2013 - Add a guideAction HeroPerformed all of Sonic's actions in Act 2. 20 February 2013 - Add a guideCITY ESCAPE Restored! 18 February 2013 - Add a guideDemolition Derby 18 February 2013 - Add a guideBlazing MeteorGot Rank S in acts seven times. 18 February 2013 - Add a guideSPEED HIGHWAY Restored! 18 February 2013 - Add a guideWalk on WaterCleared CHEMICAL PLANT without entering the water. 26 December 2012 - 1 guideWalk on Air 26 December 2012 - Add a guideSunny side up 26 December 2012 - Add a guideGreased LightningCleared Green Hill within one minute. 25 December 2012 - 1 guideShooting StarGot Rank S in acts three times. 25 December 2012 - Add a guideJump for Joy!Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring. 25 December 2012 - Add a guideScrap Metal 24 December 2012 - Add a guideSKY SANCTUARY Restored! 24 December 2012 - Add a guideCHEMICAL PLANT Restored! 24 December 2012 - Add a guideEradicatorDefeated 100 enemies. 24 December 2012 - Add a guideGREEN HILL Restored! 24 December 2012 - Add a guideBright StarGot Rank S in an act. 24 December 2012 - Add a guideThe Opening ActCompleted the first stage. 24 December 2012 - Add a guideRing KingReached the goal without dropping any of the rings you collected in GREEN HILL Act 1. 24 December 2012 - Add a guide