Sonic 3 Complete (
Sonic 3 Complete is a fan-made ROM hack that expands upon Sonic the Hedgehog 3 for the Sega Genesis. It merges content from the original game with elements from Knuckles' Chaotix and unreleased prototypes, offering a reimagined experience with new zones, characters, mechanics, and enhanced level design. The game retains the classic 2D platforming style while introducing modernized features and hidden secrets for both casual players and speedrunners.
• Expanded Zones: Explore redesigned levels like Ice Cap and Launch Base with new layouts and hazards.
• Playable Characters: Switch between Sonic, Tails, Knuckles, and Chaotix-era characters like Vector or Espio.
• Enhanced Soundtrack: Remixed music tracks and newly composed themes for added atmosphere.
• Hidden Paths & Secrets: Discover alternate routes, bonus stages, and retro-style easter eggs.
• Boss Battle Overhaul: Revised final acts with unique patterns and multi-phase encounters.
• Multiplayer Mode: Compete in split-screen races or battle modes using Genesis-era tech.
Is Sonic 3 Complete an official Sega game?
No, it’s a fan-made ROM hack created by modifying the original Sonic 3 code.
What new characters can I play as?
In addition to Sonic and Tails, you can play as Knuckles, Vector, Espio, and Chaotix-era characters.
Does the game include save states?
Yes, the game features checkpoints and a password system to continue progress.