Sonic The Hedgehog 4: Episode I Achievements Here is the full list of all 12 Sonic The Hedgehog 4: Episode I achievements worth 200 gamerscore.Filter Achievement View View Image viewList view Sort by TrueAchievement desc TrueAchievement asc Achievement name desc Achievement name asc GamerScore desc GamerScore asc TA Ratio desc TA Ratio asc Gamers desc Gamers asc Xbox.com order Date won desc Date won asc Flag Filter All None 11 Offline Mode 1 Online Mode 12 Single Player 3 Main Storyline 1 Story Completed 3 Collectable 1 Cumulative + 1 Cumulative - 1 Time/Date 1 Multiple Playthroughs Required Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply The Story BeginsClear SPLASH HILL ZONE, ACT 1. 3 guidesCrush Dr. EggmanDefeat a boss for the first time. 3 guidesHide adsThe First Chaos EmeraldAcquire a Chaos Emerald. 2 guidesEnemy HunterDefeat 1,000 enemies. 4 guidesGolden FlashClear all Acts as Super Sonic. 2 guidesAll Stages Cleared!Defeat the final boss and view the ending. 2 guidesContenderUpload your recorded scores and clear times for all stages. 2 guidesRing CollectorCollect all the Rings in 'Special Stage 1' and Clear the stage. 3 guidesImmortalBuild up 99 or more extra lives. 6 guidesSuper Sonic GenesisAcquire all seven Chaos Emeralds. 2 guides Speed's My GameClear SPLASH HILL ZONE ACT 1 in less than a minute. 4 guidesUntouchableClear the E.G.G. STATION ZONE without taking any damage. 2 guides