New levels, new boss AI, new enemy sprites, and the ability to Spindash. Speed and invincibility upgrade once you get all 6 Chaos Emeralds.

Sonic 1 but with options for Easy mode, Spin Dash, and more. See Options at the title screen.

Juega a Sonic 1 Tag Team sin descarga en tu móvil u ordenador. ¡Disfruta ya de este juego de Sonic en el sitio más conocido de juegos online gratis!

Play as Sonic, Mighty, Shadow (choose in options) in this awesome mix up rom hack of Sonic the Hedgehog

A time attack game that lets you choose any act and level (including bosses) to try to get the best time possible

Retrieve the stolen Chaos Fries across 6 unique levels and play as Sonic or Ray the Flying Squirrel. Press C mid jump to perform each characters special maneuver.

Features 3 modes of play - Score Rush, Endless Rush, and Quick Rush. The idea is to go for highest score.

A hard but doable hack with all new levels. You get 20 lives and lose only 30 rings if hit. The game explains all the new changes after you press start at the title screen.

Juega a Sonic 1: Contemporary sin descarga en tu móvil u ordenador. ¡Disfruta ya de este juego de Sonic en el sitio más conocido de juegos online gratis!

Play Obby +1 Damage Per Hit online for free at Rocket Games. Slash enemies, dodge traps, and grow stronger with every strike in this fast-paced combat Obby.