This version was slightly different from the Mega Drive version.

The 8-bit versions features significantly different elements from the Mega Drive version.

The game's manual also gives it a different story, set after the Mega Drive version.

Sonic 3D was released in 1996 alongside the Mega Drive version.

A Mega Drive version was also planned but never released.

Furthermore, the Mega Drive version contains a new "special weapon", a powerful laser.

The Mega Drive version was a bestseller in Japan for 4 months.

The Mega Drive version suffers from distorted sound as the volume is too high.

The game was ported in seven weeks, during development of the Mega Drive version.

The Mega Drive version was a bestseller for 3 months.