Available Versions
Sonic The Hedgehog (USA, Europe) (1991)(Master System)
Sonic The Hedgehog (Japan) (1991)(Game Gear)
Sonic The Hedgehog (World) (Proto) (1991)(Game Gear)
Sonic The Hedgehog (World) (v1.1) (1991)(Game Gear)
Sonic the hedgehog (G6 Version 2DLC2.5) (1990)(Genesis)
Sonic the Hedgehog (Japan, Korea) [Hack by Esrael+Yuski the Dog v0.40] (~Sonic Gaiden) (1990)(Genesis)
Sonic the Hedgehog (Prototype) (1990)(Genesis)
Sonic the hedgehog (Speed Battle) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by Carretero v2.0] (~Sonic - Return to the Origin) (Backward Play) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by Drx+Puto v2.11] (~Tails in Sonic the Hedgehog) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by Hivebrain v0.20] (~Sonic the Hedgehog Plus) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by D.A.Garden v1.0] (~Sonic the Hedgehog - Westside Island) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by JcFerggy v20080831] (~Sonic - Pixel Perfect) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by Mariofan0 v1.0] (Spindash+Spike Bug Fix) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by Stealth Rev 1] (~Knuckles the Echidna in Sonic the Hedgehog) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by Team Megamix v3.0] (~Sonic - Mega Mix) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by Team Lost Land v4.0] (~Sonic - The Lost Land) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by LOst v1.0] (Sonic Jam's Easy Mode) (1990)(Genesis)
Sonic the Hedgehog (USA, Europe) [Hack by Puto v1.1] (~Sonic Remastered) (1990)(Genesis)
Sonic The Hedgehog (Mega-Tech, set 1) (1992)(Arcade)
Sonic The Hedgehog (Mega Play) (1992)(Arcade)
Sonic the Hedgehog (SNES) (1990)(SNES)
Sonic the Hedgehog (Unl) (1990)(SNES)
About Sonic the Hedgehog (Unl)
Sonic the Hedgehog (Unl) was first released in 1990 by Unknown for the SNES system. Developed by Unknown, this game quickly became a fan favorite for its Unknown elements.
Game Features
- Authentic SNES experience directly in your browser
- Save and load your game progress at any time
- Full screen gameplay option for immersive experience
- Customizable keyboard controls
- Unknown gameplay that defined a generation
- DeveloperUnknown
- PublisherUnknown
- Release Date1990-12-31
- GenresUnknown
- PlatformsSNES
- Players0
Sonic the Hedgehog (Unl) Series
![Play Sonic the Hedgehog (Japan, Korea) [Hack by Esrael+Yuski the Dog v0.40] (~Sonic Gaiden)](https://i.987967.xyz/screenshot/47/w/30470_7469be8daeb75ce3c65c7a846ec0956eb81b335d.png)
![Play Sonic the Hedgehog (USA, Europe) [Hack by Drx+Puto v2.11] (~Tails in Sonic the Hedgehog)](https://i.987967.xyz/screenshot/47/p/28307_19b027e9e1df85bd6db0d73a1b155af863493ecb.png)
![Play Sonic the Hedgehog (USA, Europe) [Hack by Hivebrain v0.20] (~Sonic the Hedgehog Plus)](https://i.987967.xyz/screenshot/47/2018/02/22/30014_b7d5b0eba323d4888c1f682cec171c5d9f5009cc.png)
![Play Sonic the Hedgehog (USA, Europe) [Hack by Mariofan0 v1.0] (Spindash+Spike Bug Fix)](https://i.987967.xyz/screenshot/47/2018/02/27/30198_bd13fc7aeec64aec91e168dea30c629e6403fc39.png)
![Play Sonic the Hedgehog (USA, Europe) [Hack by Stealth Rev 1] (~Knuckles the Echidna in Sonic the Hedgehog)](https://i.987967.xyz/screenshot/47/y/29983_3a7c0051fe793d178b217ceb9ccaa81f7158fff7.png)
![Play Sonic the Hedgehog (USA, Europe) [Hack by LOst v1.0] (Sonic Jam's Easy Mode)](https://i.987967.xyz/screenshot/47/e/28249_348fa09e7f725c1d89643a1f8935c4c25cc0cdc8.png)
![Play Sonic the Hedgehog (USA, Europe) [Hack by Puto v1.1] (~Sonic Remastered)](https://i.987967.xyz/screenshot/47/2018/01/19/28568_a89c13e7aaa83b73045ab3c68231b0b328044bb5.png)
![Play Sonic the Hedgehog 2 (World) (Beta) [Hack by Esrael v0.03] (~Sonic 2 Delta 0)](https://i.987967.xyz/screenshot/47/2022/06/04/29915_f38518c2f2d774dffba55438d8f41446fd4835e8.png)
![Play Sonic the Hedgehog 2 (World) (Beta) (Simon Wai) [Hack by Esrael v0.23] (~Sonic 2 Delta)](https://i.987967.xyz/screenshot/47/2022/03/25/29892_8b6200c6900413e1bafe5cff286624640fe71811.png)
![Play Sonic the Hedgehog 2 (World) (Rev A) [Hack by ColinC10 v1.0] (~Robotnik's Revenge) (Boss Mode)](https://i.987967.xyz/screenshot/47/2018/01/23/30244_95e6f9f7a24b705e79fa5b54db652aafafb43eb7.png)
![Play Sonic the Hedgehog 2 (World) (Rev A) [Hack by Esrael v01.0a] (~Sonic 2 Delta II)](https://i.987967.xyz/screenshot/47/2023/07/23/29820_f2ae8a8dac70e58372326d441f11936c125d74f7.png)
![Play Sonic the Hedgehog 2 (World) (Rev A) [Hack by Hachelle-Bee v1.81] (Long Version)](https://i.987967.xyz/screenshot/47/2019/11/20/30228_ac3a429425261bb3288d353b86897d0a34c92054.png)
![Play Sonic the Hedgehog 2 (World) (Rev A) [Hack by Ultima v0.21] (~Tohaka)](https://i.987967.xyz/screenshot/47/j/28361_425a8a3278f5e0c0099e6c199444090805a912e7.png)
![Play Sonic the Hedgehog 2 (World) (Rev A) [Hack by SMTP v0.50] (~Sonic 2 SMTP)](https://i.987967.xyz/screenshot/47/2018/02/22/28579_75cda2c71f33b80da8d54324e641d174c7e802b1.png)
How to Play Sonic the Hedgehog (Unl) in Your Browser
1. Click Play
Simply click the "Play Now" button at the top of this page to start the game immediately.
2. Use Controls
Use your keyboard to control the game. Check the keyboard configuration section below for details.
3. Save Progress
Use the save feature to preserve your progress at any point in the game.
Pro Tip
For the best experience playing Sonic the Hedgehog (Unl), use a desktop or laptop computer with a keyboard. Full-screen mode provides the most immersive gameplay.
Emulator Keyboard Configuration
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Last updated: 2025-03-14T08:38:33.280Z
This page is part of our effort to preserve classic video game history. Sonic the Hedgehog (Unl) © 1990 Unknown. This online emulation is provided for historical preservation and educational purposes only.
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