--- Metropolis Zone --- Number of acts: 3 Time to complete: ~6 minutes Difficulty: Moderate Bottomless pits: Act 3 only Water: No Level wrapping: Yes Enemies: English name Japanese name Description       Asteron (Source: Manual) Terustar (Source: Manual) Starfish enemy, explodes when you go near it, launching 5 small spikes outwards.       Slicer (Source: Manual) Kamakiller (Source: Manual) Mantis enemy, throws two blades at Sonic.       Shellcracker (Source: Manual) Kanipunch (Source: Manual) Crab enemy, extends its giant claw towards Sonic.