Sonic Classic Collection (DSi Enhanced) (U) ROM < NDS ROMs

Sonic, Sonic 2, Sonic 3, and Sonic and Knuckles are now on the Nintendo DS in one package, including the lock-on functionality.

BRAND NEW and SEALED Nintendo DS Game., Note: Can be played on the Nintendo DS, Nintendo DS Lite, Nintendo DSi, Nintendo DS XL, & Nintendo 3DS Only.

Sonic: Classic Collection - Nintendo DS

Sonic Classic Collection (DSi Enhanced) - Download ROM Nintendo DS

NDS ROMs - Download Nintendo DS Games - Retrostic

Sonic Colors (U) ROM < NDS ROMs

SONIC CLASSIC COLLECTION – Brooke Luder

Sonic Classic Collection DS: ROM Differences Research

Sonic Classic Collection (EU) ROM Download - Nintendo DS(NDS)

Nintendo 3DS Architecture

nds-bootstrap - GameBrew