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. 23 March 2012 - Add a guideSupersonic! 22 March 2012 - Add a guideMad SkillzGot all custom skills. 22 March 2012 - Add a guideAll Stages Clear!Cleared Sonic Generations. 22 March 2012 - Add a guide(Hedge)Hogging It All Up!Got all collectibles. 22 March 2012 - Add a guideCan't Touch ThisTook no damage while defeating the final boss. 22 March 2012 - 2 guidesTreasure Hunter 22 March 2012 - Add a guideBoom Boom Dragoon 22 March 2012 - Add a guideMission Accomplished!Cleared all the missions. 22 March 2012 - Add a guideBonds of FriendshipCompleted all of Sonic's friends' Challenges. 22 March 2012 - Add a guideSilver Got Served 13 March 2012 - Add a guideRed Ring CollectorGot all Red Star Rings. 13 March 2012 - Add a guideWalkie TalkieChatted with all of Sonic's friends you saved. 13 March 2012 - Add a guidePLANET WISP Restored! 13 March 2012 - Add a guideBig BangGot Rank S in all acts. 13 March 2012 - Add a guideColor Power! 13 March 2012 - Add a guideROOFTOP RUN Restored! 13 March 2012 - Add a guideA Quick Breather 13 March 2012 - 1 guideCRISIS CITY Restored! 08 March 2012 - Add a guideLook Both Ways 08 March 2012 - Add a guideHalfway PointCleared half the missions. 28 February 2012 - Add a guidePerfect Punisher 25 February 2012 - Add a guideShadow Boxing 25 February 2012 - Add a guideSEASIDE HILL Restored! 24 February 2012 - Add a guideBlue CometGot Rank S in acts 12 times. 24 February 2012 - Add a guideSecret Sleuth 24 February 2012 - Add a guideCITY ESCAPE Restored! 24 February 2012 - Add a guideDemolition Derby 24 February 2012 - Add a guideSPEED HIGHWAY Restored! 23 February 2012 - Add a guideThe Byway or the Highway 23 February 2012 - 1 guideAction HeroPerformed all of Sonic's actions in Act 2. 23 February 2012 - Add a guideBlazing MeteorGot Rank S in acts seven times. 23 February 2012 - Add a guideScrap Metal 22 February 2012 - Add a guideSKY SANCTUARY Restored! 22 February 2012 - Add a guideSunny side up 22 February 2012 - Add a guideWalk on Air 22 February 2012 - Add a guideCHEMICAL PLANT Restored! 21 February 2012 - Add a guideWalk on WaterCleared CHEMICAL PLANT without entering the water. 21 February 2012 - 1 guideShooting StarGot Rank S in acts three times. 21 February 2012 - Add a guideA 30-Second TestParticipated in a 30 Second Trial. 21 February 2012 - Add a guideJoin the RanksJoined the rankings. 21 February 2012 - Add a guideEradicatorDefeated 100 enemies. 21 February 2012 - Add a guideJump for Joy!Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring. 21 February 2012 - Add a guideTrickstarExecuted a trick with a seven-step combo or longer. 20 February 2012 - 1 guideGREEN HILL Restored! 20 February 2012 - Add a guideBright StarGot Rank S in an act. 20 February 2012 - Add a guideGreased LightningCleared Green Hill within one minute. 20 February 2012 - 1 guideThe Opening ActCompleted the first stage. 20 February 2012 - Add a guideRing KingReached the goal without dropping any of the rings you collected in GREEN HILL Act 1. 20 February 2012 - Add a guide