Games of the 8-, 16- & 32-bit era
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Sonic Chaos

TitleSonic Chaos
First release1993
DeveloperAspect
PublisherSega
PlatformsGame Gear, Master System
Genreplatformer
Also known asSonic & Tails · Sonikku ando Teirusu
Players1 player
Co-opNo
ESRB ratingE Everyone
Releases
Master System: 1993-10-25 (PAL)
Game Gear: 1993-11-19 (NTSC-J), 1993-11-23 (NTSC-U)
Wikidata IDQ151531

Sonic Chaos is a 1993 Game Gear video game developed by Aspect and released by Sega of America in the USA on November 23, 1993. The storyline to Sonic Chaos, like most Sonic stories, revolves around Dr. Robotnik and his quest for world domination via the mythical Chaos Emeralds. The Emeralds are the source of vitality for all living things, but they could be turned into nuclear bombs and laser weapons in the hands of the rotten Dr. Robotnik. 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.

Description: TheGamesDB (community-contributed, no licence stated; internal use only) Facts from Wikidata (CC0), gaps filled from TheGamesDB. Only retro platforms tracked by this site are listed; the year is the earliest release date recorded on Wikidata.
Sources
Wikidata (Q151531) · last updated 2026-09-27 · CC0
TheGamesDB (19419,25263) · last updated 2026-07-18 · no licence stated · internal use only
TheGamesDB (3014) · last updated 2026-07-18 · no licence stated · internal use only
Image credits
Box art (1): Source: TheGamesDB (user-uploaded, NTSC-U release) · © Sega · internal use only. TheGamesDB page
Box art, Screenshots, Logos, Artwork (5): Source: TheGamesDB (user-uploaded) · © Sega · internal use only. TheGamesDB page
Sprites
No sprite sheets yet. Find sprites on The Spriters Resource ↗ /
Videos
Master System Longplay [041] Sonic Chaos (EU)
World-of-Longplays · Master System version · longplay · 54:45auto-matched
Watch on YouTube ↗ · auto:channel-harvest, checked 2026-10-25 18:42 UTC
Game Gear Longplay [030] Sonic Chaos (US)
World-of-Longplays · Game Gear version · longplay · 31:49auto-matched
Watch on YouTube ↗ · auto:channel-harvest, checked 2026-10-25 18:42 UTC
"Auto-matched" videos were found automatically (title + platform match via the YouTube Data API) and may occasionally be wrong. Videos are hosted by YouTube (embedded via youtube-nocookie.com; nothing loads from YouTube until you press play) and belong to their channels.
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