Mega Drive · Platform
Sonic 2
No ROM
Upload one manually. The file stays in this tab and is not sent to a server.
EmulatorJS (open source, GitHub) · Touch pad on phones. A Bluetooth gamepad is better for fighters and karts.
Controls
On a phone, use the on-screen pad. A Bluetooth gamepad works too.
Spin dash, Tails flight. Death Egg is the story clear. 7 emeralds for the full ending.
Play it officially
- Nintendo Switch Online + Expansion Pack · SEGA Genesis – Nintendo Switch Online · Nintendo Switch · Subscription
- Sonic Origins · Steam · Purchase · Re-release, version may differ
- SEGA AGES Sonic The Hedgehog 2 · Nintendo Switch · Purchase
US store pages, checked 2026-10-22. Availability and prices differ by region and change over time. cv.cm is not affiliated with these publishers or stores and earns nothing from these links.
Cheat codes
Level select on the title.
FFFE12:0009FFFE20:00C8Level select: ↑↑↓↓↓↓←→←→ hold A, StartFFFE18:0001Walkthrough
Sonic 2: Emerald Hill through Death Egg. 7 emeralds for the Super ending.
Early zones

Emerald Hill teaches spin dash. Chemical belts. Aquatic bubbles. Casino springs.
Later zones

Hill Top lava, Mystic spikes, Oil Ocean, long Metropolis. Sky Chase is a shooter.
Fortress and Death Egg

Wing Fortress to the ship. Death Egg Robotnik. Super Sonic if you have 7 emeralds.
FAQ
Cheats?
On this page.
Vs Sonic 1?
Tails and spin dash.
ROM?
Not hosted.
Death Egg?
Zone order in the guide.
Emeralds?
Special stages, optional.
Emulator cores live on S3. A game starts from a hosted ROM when that file exists, or from a local file you pick. Local files are not uploaded.