Sonic Origins cheats level select, debug mode, Hidden Palace

How to cheat in the Sonic Origins versions of Sonic the Hedgehog, Sonic 2 and Sonic 3 & Knuckles. You can't cheat Sonic CD, though!

Sonic 2 Level Select Expanded (with Unused Zones) [Sonic Origins] [Mods]

Sonic Origins cheat codes for level select, debug mode and Super Sonic

Sonic the Hedgehog 2 (Video Game) - TV Tropes

Gamers go wild for Sonic Origins Plus cheat codes – Hidden Palace Zone, Super Sonic and more

New Sonic Origins sneak gameplay confirms S1's Anniversary Mode has the Drop Dash and Super Sonic, S2 has the Hidden Palace Zone, and Mission Mode is comprised of bite-sized altered levels

Sonic the Hedgehog 2 (2013) - The Cutting Room Floor

Sonic Origins

Sonic Origins cheats: Super Sonic, level select, and more

How do you get the hidden palace zone in Sonic 2 mobile?

Sonic 2 iOS/Android - How to Enter Level Select, Debug Mode, Cheat Codes and Unlock Super Forms

Sonic Origins Plus cheat codes: find Hidden Palace Zone and get Super Sonic - Video Games on Sports Illustrated

Sonic the Hedgehog 2 (16-bit)/Hidden content - Sonic Retro

REVIEW: Sonic the Hedgehog 2 (Mobile) - oprainfall

Taxman » SEGAbits - #1 Source for SEGA News

Sonic the Hedgehog 2 (Genesis) - The Cutting Room Floor