Sonic the Hedgehog (16-bit)

"This is an article about the 16-bit version of Sonic the Hedgehog. For the Master System / Game Gear version see Sonic the Hedgehog (8-bit)"

Sonic the Hedgehog (ソニック・ザ・ヘッジホッグ) is a 16-bit platformer video game for the Mega Drive, developed by Sonic Team and published by Sega. It first released collectively in North America and Europe as a pack-in title for the Mega Drive on June 23, 1991. One month later it released in Japan on July 26. It is the first installment in the Sonic the Hedgehog series and would continue with a direct sequel Sonic the Hedgehog 2. A port developed by Ancient was released for the Master System and Game Gear.

Trivia
This is the 1st Sonic Game

Vector has his own fanmade game for this, this is due to him being originally the progaint instead of sonic & Sega didnt want to waste their time so they realised it too

Vector,

Playable

 * Sonic the Hedgehog
 * Miles "Tails" Prower (hacks, remake, Sonic Origins version only)
 * Knuckles The Echidna (hacks, remake, Sonic Origins Version only)

Non-playable

 * Dr. Robotnik
 * Animal Friends