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 wonPerfect Punisher 07 January 2021 - Add a guideShadow Boxing 07 January 2021 - Add a guideSEASIDE HILL Restored! 07 January 2021 - Add a guideAction HeroPerformed all of Sonic's actions in Act 2. 09 September 2020 - Add a guideShooting StarGot Rank S in acts three times. 09 September 2020 - Add a guideCITY ESCAPE Restored! 30 August 2020 - Add a guideSPEED HIGHWAY Restored! 30 August 2020 - Add a guideBright StarGot Rank S in an act. 30 August 2020 - Add a guideScrap Metal 17 August 2020 - Add a guideSunny side up 17 August 2020 - Add a guideJump for Joy!Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring. 07 August 2015 - Add a guideRing KingReached the goal without dropping any of the rings you collected in GREEN HILL Act 1. 07 August 2015 - Add a guideSKY SANCTUARY Restored! 27 June 2014 - Add a guideEradicatorDefeated 100 enemies. 27 June 2014 - Add a guideCHEMICAL PLANT Restored! 24 May 2014 - Add a guideGREEN HILL Restored! 22 May 2014 - Add a guideThe Opening ActCompleted the first stage. 11 May 2014 - Add a guideCRISIS CITY Restored! Locked - Add a guideROOFTOP RUN Restored! Locked - Add a guidePLANET WISP Restored! Locked - Add a guideBoom Boom Dragoon Locked - Add a guideSilver Got Served Locked - Add a guideTreasure Hunter Locked - Add a guideAll Stages Clear!Cleared Sonic Generations. Locked - Add a guideGreased LightningCleared Green Hill within one minute. Locked - 1 guideBlazing MeteorGot Rank S in acts seven times. Locked - Add a guideBlue CometGot Rank S in acts 12 times. Locked - Add a guideBig BangGot Rank S in all acts. Locked - Add a guideTrickstarExecuted a trick with a seven-step combo or longer. Locked - 1 guideCan't Touch ThisTook no damage while defeating the final boss. Locked - 2 guidesBonds of FriendshipCompleted all of Sonic's friends' Challenges. Locked - Add a guideWalkie TalkieChatted with all of Sonic's friends you saved. Locked - Add a guideJoin the RanksJoined the rankings. Locked - Add a guideA 30-Second TestParticipated in a 30 Second Trial. Locked - Add a guideWalk on WaterCleared CHEMICAL PLANT without entering the water. Locked - 1 guideWalk on Air Locked - Add a guideThe Byway or the Highway Locked - 1 guideDemolition Derby Locked - Add a guideSecret Sleuth Locked - Add a guideLook Both Ways Locked - Add a guideA Quick Breather Locked - 1 guideColor Power! Locked - Add a guideSupersonic! Locked - Add a guideMad SkillzGot all custom skills. Locked - Add a guide(Hedge)Hogging It All Up!Got all collectibles. Locked - Add a guideTime AttackerPlayed Time Attack on all stages. Locked - Add a guideRed Ring CollectorGot all Red Star Rings. Locked - Add a guideHalfway PointCleared half the missions. Locked - Add a guideMission Accomplished!Cleared all the missions. Locked - Add a guide