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 wonCHEMICAL PLANT Restored! 06 December 2014 - Add a guideShooting StarGot Rank S in acts three times. 06 December 2014 - Add a guideGREEN HILL Restored! 05 December 2014 - Add a guideTrickstarExecuted a trick with a seven-step combo or longer. 05 December 2014 - 1 guideBright StarGot Rank S in an act. 04 December 2014 - Add a guideThe Opening ActCompleted the first stage. 04 December 2014 - Add a guideRing KingReached the goal without dropping any of the rings you collected in GREEN HILL Act 1. 04 December 2014 - Add a guideSKY SANCTUARY Restored! Locked - Add a guideSPEED HIGHWAY Restored! Locked - Add a guideCITY ESCAPE Restored! Locked - Add a guideSEASIDE HILL Restored! Locked - Add a guideCRISIS CITY Restored! Locked - Add a guideROOFTOP RUN Restored! Locked - Add a guidePLANET WISP Restored! Locked - Add a guideSunny side up Locked - Add a guidePerfect Punisher Locked - Add a guideBoom Boom Dragoon Locked - Add a guideScrap Metal Locked - Add a guideShadow Boxing 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 guideEradicatorDefeated 100 enemies. Locked - Add a guideAction HeroPerformed all of Sonic's actions in Act 2. Locked - Add a 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 guideJump for Joy!Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring. 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