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 wonA 30-Second TestParticipated in a 30 Second Trial. 12 January 2013 - Add a guide(Hedge)Hogging It All Up!Got all collectibles. 12 January 2013 - Add a guideMad SkillzGot all custom skills. 12 January 2013 - Add a guideRed Ring CollectorGot all Red Star Rings. 12 January 2013 - Add a guideTime AttackerPlayed Time Attack on all stages. 09 January 2013 - Add a guideMission Accomplished!Cleared all the missions. 08 January 2013 - Add a guideBonds of FriendshipCompleted all of Sonic's friends' Challenges. 08 January 2013 - Add a guideAction HeroPerformed all of Sonic's actions in Act 2. 07 January 2013 - Add a guideLook Both Ways 06 January 2013 - Add a guideWalk on WaterCleared CHEMICAL PLANT without entering the water. 06 January 2013 - 1 guideA Quick Breather 06 January 2013 - 1 guideTrickstarExecuted a trick with a seven-step combo or longer. 06 January 2013 - 1 guideWalkie TalkieChatted with all of Sonic's friends you saved. 06 January 2013 - Add a guideThe Byway or the Highway 06 January 2013 - 1 guideHalfway PointCleared half the missions. 06 January 2013 - Add a guideColor Power! 06 January 2013 - Add a guideGreased LightningCleared Green Hill within one minute. 06 January 2013 - 1 guideDemolition Derby 04 January 2013 - Add a guideBig BangGot Rank S in all acts. 04 January 2013 - Add a guideCan't Touch ThisTook no damage while defeating the final boss. 04 January 2013 - 2 guidesSecret Sleuth 03 January 2013 - Add a guideJump for Joy!Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring. 03 January 2013 - Add a guideBlue CometGot Rank S in acts 12 times. 02 January 2013 - Add a guideSupersonic! 02 January 2013 - Add a guideBlazing MeteorGot Rank S in acts seven times. 31 December 2012 - Add a guideWalk on Air 31 December 2012 - Add a guideJoin the RanksJoined the rankings. 31 December 2012 - Add a guideRing KingReached the goal without dropping any of the rings you collected in GREEN HILL Act 1. 31 December 2012 - Add a guideAll Stages Clear!Cleared Sonic Generations. 31 December 2012 - Add a guideTreasure Hunter 31 December 2012 - Add a guideBoom Boom Dragoon 31 December 2012 - Add a guideSilver Got Served 31 December 2012 - Add a guidePLANET WISP Restored! 31 December 2012 - Add a guideROOFTOP RUN Restored! 31 December 2012 - Add a guideCRISIS CITY Restored! 30 December 2012 - Add a guideSPEED HIGHWAY Restored! 30 December 2012 - Add a guideCITY ESCAPE Restored! 30 December 2012 - Add a guideSEASIDE HILL Restored! 30 December 2012 - Add a guidePerfect Punisher 30 December 2012 - Add a guideShadow Boxing 30 December 2012 - Add a guideShooting StarGot Rank S in acts three times. 30 December 2012 - Add a guideSunny side up 26 December 2012 - Add a guideScrap Metal 26 December 2012 - Add a guideSKY SANCTUARY Restored! 20 December 2012 - Add a guideCHEMICAL PLANT Restored! 20 December 2012 - Add a guideEradicatorDefeated 100 enemies. 20 December 2012 - Add a guideGREEN HILL Restored! 20 December 2012 - Add a guideBright StarGot Rank S in an act. 20 December 2012 - Add a guideThe Opening ActCompleted the first stage. 20 December 2012 - Add a guide