SONIC X SHADOW GENERATIONS Achievements Here is the full list of all 40 SONIC X SHADOW GENERATIONS achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.Filter Achievement View View Image viewList view Sort 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 What are achievement flags? Click to find outApply GREEN HILL Restored!Restore the GREEN HILL Stage Gate. CHEMICAL PLANT Restored!Restore the CHEMICAL PLANT Stage Gate. SKY SANCTUARY Restored!Restore the SKY SANCTUARY Stage Gate. SPEED HIGHWAY Restored!Restore the SPEED HIGHWAY Stage Gate. CITY ESCAPE Restored!Restore the CITY ESCAPE Stage Gate. SEASIDE HILL Restored!Restore the SEASIDE HILL Stage Gate. CRISIS CITY Restored!Restore the CRISIS CITY Stage Gate. ROOFTOP RUN Restored!Restore the ROOFTOP RUN Stage Gate. PLANET WISP Restored!Restore the PLANET WISP Stage Gate. Sunny Side UpDefeat Death Egg Robot. Perfect PunisherDefeat Perfect Chaos. Boom Boom DragoonDefeat Egg Dragoon. Scrap MetalDefeat Metal Sonic. Shadow BoxingDefeat Shadow. Silver Got ServedDefeat Silver. Treasure HunterCollect all the Chaos Emeralds. Sonic Generations: All Stages Cleared!Clear Sonic Generations. Can't Touch ThisTake no damage from the final boss and clear the stage in Sonic Generations. 1 guideBig BangGet Rank S in all Acts in Sonic Generations. Sonic Generations: Mission Accomplished!Clear all the Challenge Acts in Sonic Generations. Mad SkillzGet all Skills. Rescue ProfessionalRescue all Chao. Red Ring CollectorGet all Red Star Rings. Sonic Generations: (Hedge)Hogging It All Up!Get all collectibles in Sonic Generations. SPACE COLONY ARK Restored!Restore the SPACE COLONY ARK Stage Gate. RAIL CANYON Restored!Restore the RAIL CANYON Stage Gate. KINGDOM VALLEY Restored!Restore the KINGDOM VALLEY Stage Gate. SUNSET HEIGHTS Restored!Restore the SUNSET HEIGHTS Stage Gate. CHAOS ISLAND Restored!Restore the CHAOS ISLAND Stage Gate. RADICAL HIGHWAY Act 2 Cleared!Clear RADICAL HIGHWAY Act 2. Vanquished BiolizardDefeat Biolizard. Vanquished Metal OverlordDefeat Metal Overlord. Vanquished MephilesDefeat Mephiles. Shadow Generations: All Stages Cleared!Clear Shadow Generations. UntouchableTake no damage from the final boss and clear the stage in Shadow Generations. Ultimate Life FormGet Rank S in all Acts in Shadow Generations. Shadow Generations: Mission Accomplished!Clear all the Challenge Acts in Shadow Generations. Rocket has been completed...?Deliver all the rocket parts to Orbot and Cubot. All Collection Boxes Collected!Open all Collection Boxes in White Space. Shadow Generations: (Hedge)Hogging It All UpGet all collectibles in Shadow Generations.