Collaboration Stages · Stage 5The Fastest Hedgehog Alive史上最速のハリネズミ1★ 100%2★ 150%3★ 200%4★ 200%120Energy Cost16,920XP Reward100,000Enemy Base HP5,500Stage Length20Max Enemies5.1Difficulty Test your team vs this stageStage rewards50% — Sonic Cat · first clear · Treasure RadarEnemy spawns (7)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesMaster A.100%10.3s—100%—Croco400%∞6.7s6.7s~16.7s100%—Jackie Peng400%58s23.3s~30s100%—Sir Seal400%∞10s33.3s~40s100%—Sonic (Enemy)400%133.3s—100%BossTeacher Bear400%113.3s—100%—Ms. Sign100%∞900s900s100%—All Green Hill Zone stages