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. 28 March 2013 - 2 guidesTime AttackerPlayed Time Attack on all stages. 28 March 2013 - Add a guideLook Both Ways 25 March 2013 - Add a guideSupersonic! 25 March 2013 - Add a guideMad SkillzGot all custom skills. 25 March 2013 - Add a guideAll Stages Clear!Cleared Sonic Generations. 25 March 2013 - Add a guide(Hedge)Hogging It All Up!Got all collectibles. 25 March 2013 - Add a guideTreasure Hunter 25 March 2013 - Add a guideBoom Boom Dragoon 25 March 2013 - Add a guideMission Accomplished!Cleared all the missions. 25 March 2013 - Add a guideBonds of FriendshipCompleted all of Sonic's friends' Challenges. 25 March 2013 - Add a guideSilver Got Served 24 March 2013 - Add a guideRed Ring CollectorGot all Red Star Rings. 23 March 2013 - Add a guideColor Power! 23 March 2013 - Add a guideSecret Sleuth 23 March 2013 - Add a guideDemolition Derby 23 March 2013 - Add a guideBig BangGot Rank S in all acts. 23 March 2013 - Add a guideWalkie TalkieChatted with all of Sonic's friends you saved. 23 March 2013 - Add a guidePLANET WISP Restored! 23 March 2013 - Add a guideROOFTOP RUN Restored! 23 March 2013 - Add a guideA Quick Breather 23 March 2013 - 1 guideCRISIS CITY Restored! 22 March 2013 - Add a guidePerfect Punisher 22 March 2013 - Add a guideHalfway PointCleared half the missions. 22 March 2013 - Add a guideShadow Boxing 21 March 2013 - Add a guideSEASIDE HILL Restored! 20 March 2013 - Add a guideBlue CometGot Rank S in acts 12 times. 20 March 2013 - Add a guideAction HeroPerformed all of Sonic's actions in Act 2. 20 March 2013 - Add a guideCITY ESCAPE Restored! 20 March 2013 - Add a guideThe Byway or the Highway 10 March 2013 - 1 guideBlazing MeteorGot Rank S in acts seven times. 10 March 2013 - Add a guideSPEED HIGHWAY Restored! 10 March 2013 - Add a guideA 30-Second TestParticipated in a 30 Second Trial. 01 January 2013 - Add a guideSunny side up 01 January 2013 - Add a guideJoin the RanksJoined the rankings. 01 January 2013 - Add a guideTrickstarExecuted a trick with a seven-step combo or longer. 08 January 2012 - 1 guideScrap Metal 08 January 2012 - Add a guideWalk on Air 08 January 2012 - Add a guideSKY SANCTUARY Restored! 08 January 2012 - Add a guideWalk on WaterCleared CHEMICAL PLANT without entering the water. 01 January 2012 - 1 guideGreased LightningCleared Green Hill within one minute. 01 January 2012 - 1 guideJump for Joy!Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring. 30 December 2011 - Add a guideCHEMICAL PLANT Restored! 30 December 2011 - Add a guideEradicatorDefeated 100 enemies. 30 December 2011 - Add a guideShooting StarGot Rank S in acts three times. 30 December 2011 - Add a guideGREEN HILL Restored! 30 December 2011 - Add a guideRing KingReached the goal without dropping any of the rings you collected in GREEN HILL Act 1. 30 December 2011 - Add a guideBright StarGot Rank S in an act. 30 December 2011 - Add a guideThe Opening ActCompleted the first stage. 30 December 2011 - Add a guide