Sonic the Hedgehog Chaos
Sonic the Hedgehog Chaos — frequently asked questions
- What platforms is Sonic the Hedgehog Chaos on?
- Sonic the Hedgehog Chaos was released on Wii, Sega Game Gear, Sega Master System/Mark III, Sega Master System.
- When did Sonic the Hedgehog Chaos release?
- Sonic the Hedgehog Chaos was first released on October 25, 1993.
About Sonic the Hedgehog Chaos
Dr. Robotnik has stolen the Red Chaos Emerald, causing the other five to "lose balance" and scatter themselves into a parallel universe. As a result of the instability, South Island is now sinking into the ocean. It is up to Sonic and Tails to find the Chaos Emeralds and restore harmony to the universe, or else the innocent residents of South Island will find themselves taking a long swim.
Summary via IGDB.
Game details
- Platforms
- Wii, Sega Game Gear, Sega Master System/Mark III, Sega Master System
- Developer
- Aspect
- Publisher
- Sega
- Game modes
- Single player
- Themes
- Action
- Series
- Sonic The Hedgehog
Details via IGDB.
Reception
Every version compared
Prices, contemporary reception and the studio credited for each release
| Platform | Year | Loose | Complete | Sealed | Period reviews | Fake risk |
|---|---|---|---|---|---|---|
| Sega Master System | 1993 | $20 | $45 | — | 4 reviews | Low (look-alike) |
Also released on: Wii · Sega Game Gear · Sega Master System/Mark III. We haven’t priced or authenticated those versions yet.
Collector value & authenticity
Sega Master System · PriceCharting sold data · Verified 2026-10-28
How often it sells
- Loose: about once a month
- Complete: about 2 times a month
- Sealed: rarely — fewer than one recorded sale a year
Sales frequency from PriceCharting's completed-sale records, as of 2026-10-28.
Price over time
- Loose
- Complete
A loose copy sold for about $10.00 in Oct 2009, $22 five years ago, and $20 as of Oct 2026.
Show as table
| Month | Loose | Complete |
|---|---|---|
| Jan 2010 | $10.00 | — |
| Jan 2011 | $30 | — |
| Jan 2012 | $9.99 | — |
| Jan 2013 | $20 | — |
| Jan 2014 | $20 | $32 |
| Jan 2015 | $20 | $50 |
| Jan 2016 | $65 | $65 |
| Jan 2017 | $25 | $50 |
| Jan 2018 | $19.55 | $21 |
| Jan 2019 | $15.78 | $16.22 |
| Jan 2020 | $14.69 | $22 |
| Jan 2021 | $15.23 | $25 |
| Jan 2022 | $21 | $32 |
| Jan 2023 | $30 | $36 |
| Jan 2024 | $25 | $33 |
| Jan 2025 | $13.44 | $31 |
| Jan 2026 | $22 | $46 |
| Oct 2026 | $20 | $45 |
Monthly price estimates from PriceCharting's completed-sale records, sampled quarterly, through Oct 2026.
Release record
| Territory | Date | Product number | Known board |
|---|---|---|---|
| Europe / PAL | 23 November 1993 | 9021 | 171-5507 · MPR-15926-F |
| Brazil | 23 November 1993 | — | — |
- Region
- EU+BR
- Released
- 1993
- Authenticity
- Low
A fast 8-bit Sonic sequel that adds Tails as a separate playable character.
Sonic the Hedgehog Chaos is a platform game developed by Aspect and published by Sega, released in Europe and in Brazil through Tec Toy on 23 November 1993. Sonic and Tails try to retrieve the Chaos Emeralds from Doctor Robotnik.
It is largely based on the Master System version of Sonic the Hedgehog 2, and is considered a follow-up to it. It is the first Sonic game on the system to feature Tails as a separate playable character with his own unique abilities.
How it was made
Aspect developed the game, the second Sonic title they made.
What the press said at the time
| Sega Pro Issue 34 | July 1994 | 69% |
| Sega Pro Issue 42 | March 1995 | 69% |
| Sega Pro Issue 43 | April 1995 | 69% |
| Eurogamer | 7/10 |
“Tails in the hedge’s latest MS incamation. Great graphics but gameplay hasn’t changed and iťs all just too easy!”
“Play as Sonic or Tails in this platformer. Great graphics but gameplay hasn’t changed and iťs all just too easy!”
“Play as Sonic or Tails in this platformer. Great graph¬ ics but the gameplay hasn’t changed and iťs all just too easy!”
Undated scores are from the review table in the game's Wikipedia article, limited to reviews of the Sega Master System version.
Also on other platforms
Game Gear
- Game Gear. The Game Gear version launched worldwide on November 23, 1993, the same day as the PAL-only Master System release, alongside Sonic CD and Sonic Spinball.
- Game Gear. The Game Gear version was later an unlockable bonus in Sonic Adventure DX: Director's Cut in 2003.
How the other versions reviewed
| Game Gear | Electronic Gaming Monthly | 9/10, 8/10, 8/10, 8/10 |
| Game Gear | Famitsu | 8/10, 8/10, 7/10, 5/10 |
| Game Gear | Electronic Games | 89% |
| Game Gear | Entertainment Weekly | A− |
These are the other versions’ scores, not this one’s. Ports of this era were frequently built by different studios, so they do not transfer.
Before you buy
One cart exists, and it came out in both Europe and Brazil. Loose, it sits above the middle of the European-only carts, and the look-alike risk is low. Check the manual is there on a complete copy.
Sonic the Hedgehog Chaos screenshots
Watch on YouTube
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