
The level design is somewhat flawed, from frequently repeating areas of zones, most noticeably in Marble Zone and Labyrinth Zone, to inescapable pits in Green Hill Zone.

Somari is considered to be significantly more difficult than Sonic 1 due to the enemies always re-spawning in the same places whenever they appear on the screen, poor programming and physics, as well as a lack of continues and checkpoints. Also, unlike Sonic 1, while rolling you cannot control yourself at all. Oddly, the game includes loops and ramps, although these have somewhat glitchy programming such as the player being able to get permanently stuck on a loop if hit by a Badnik as well as passing through one ring when the player runs through it, a glitch also present in Jurassic Boy 2 by Sachen. The controls are similar to Sonic the Hedgehog, albeit including the Spin Dash and Somari suddenly slowing down when going into a jump depending on what speed he's going at, a problem also encountered in Hummer Team's Famicom port of Super Mario World. Also notable is the usage of the Special Stage and the background graphics for Green Hill Zone from the Master System version of Sonic 1, almost certainly due to hardware limitations of the Famicom.Īll of the zones from the Mega Drive version are included, except for Scrap Brain Zone.

This game also includes the Spin Dash, a move introduced in Sonic the Hedgehog 2. Somari is a well-known pirated Famicom port of Sonic the Hedgehog developed by Hummer Team, featuring Mario in place of Sonic. 2.1.2 Sonic & Knuckles 5 / Super Sonic 5 1997.2.1.1 Sonic the Hedgehog / Sonic 3D Blast 5.
