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    Sega CD Games
    Sonic the Hedgehog Megamix 4.0b - Play Now
    Pokemon Radical Red v4.0

    Pokemon Radical Red v4.0

    Metal Slug X (USA)

    Metal Slug X (USA)

    Super Bomberman 4 (English - Translated)

    Super Bomberman 4 (English - Translated)

    Contra (USA)

    Contra (USA)

    Penguin Brothers (Japan)

    Penguin Brothers (Japan)

    Kirby's Dream Land 3 (USA)

    Kirby's Dream Land 3 (USA)

    Sonic the Hedgehog Megamix 4.0b(3.4 MB)

    Neo Bomberman

    Neo Bomberman

    Pokemon Ultimate Fusion

    Pokemon Ultimate Fusion

    Street Fighter II' - Champion Edition (street fighter 2' 920513 etc)

    Street Fighter II' - Champion Edition (street fighter 2' 920513 etc)

    Sonic The Hedgehog - Pocket Adventure (World)

    Sonic The Hedgehog - Pocket Adventure (World)

    Kirby Super Star (USA)

    Kirby Super Star (USA)

    Sonic & Knuckles + Sonic the Hedgehog 3 (World)

    Sonic & Knuckles + Sonic the Hedgehog 3 (World)

    Parappa the Rapper

    Parappa the Rapper

    Tomodachi Collection (English)

    Tomodachi Collection (English)

    Cadillacs & Dinosaurs (930201 etc)

    Cadillacs & Dinosaurs (930201 etc)

    EarthBound (USA)

    EarthBound (USA)

    Kirby - Squeak Squad (USA)

    Kirby - Squeak Squad (USA)

    Super Mario All Stars NES

    Super Mario All Stars NES

    Sonic Classic Heroes

    Sonic Classic Heroes

    Dragon Ball Z - Supersonic Warriors (K)(ProjectG)

    Dragon Ball Z - Supersonic Warriors (K)(ProjectG)

    Super Sonic & Hyper Sonic in Sonic 1

    Super Sonic & Hyper Sonic in Sonic 1

    Castlevania - Symphony Of The Night

    Castlevania - Symphony Of The Night

    Sonic the Hedgehog 2 (World) (Rev A)

    Sonic the Hedgehog 2 (World) (Rev A)

    Super Smash Bros. (USA)

    Super Smash Bros. (USA)

    007 - GoldenEye (USA)

    007 - GoldenEye (USA)

    Sonic CD (USA)

    Sonic CD (USA)

    Pokemon Fire Red Extended (v3.2)

    Pokemon Fire Red Extended (v3.2)

    Sonic 3 Complete

    Sonic 3 Complete

    Silent Hill

    Silent Hill

    Top Gear (USA)

    Top Gear (USA)

    Kirby And The Amazing Mirror (E)(Rising Sun)

    Kirby And The Amazing Mirror (E)(Rising Sun)

    Kirby Super Star Ultra (USA)

    Kirby Super Star Ultra (USA)

    Dragon Ball Z - Supersonic Warriors (E)(Rising Sun)

    Dragon Ball Z - Supersonic Warriors (E)(Rising Sun)

    Smash Remix 1.3.0

    Smash Remix 1.3.0

    Crash Team Racing

    Crash Team Racing

    Dragon Ball Z - Supersonic Warriors 2 (USA)

    Dragon Ball Z - Supersonic Warriors 2 (USA)

    Tekken 3

    Tekken 3

    Wario Land 4 (E)(Mode7)

    Wario Land 4 (E)(Mode7)

    Sonic the Hedgehog Megamix 4.0b

    Sonic the Hedgehog Megamix 4.0b for Sega CD reimagines classic Sonic gameplay with enhanced physics, new levels, and modifiable content. This homebrew title leverages the Sega CD platform's capabilities, offering retro gaming enthusiasts dynamic 2D platforming, competitive speedrunning modes, and community-driven challenges. Based on Sonic Retro's documentation, it combines nostalgic pixel art with modernized mechanics, including customizable soundtracks and unlockable characters. Ideal for fans seeking Sega CD-era innovation, this ROM hack delivers high-speed action, boss battles, and a dedicated modding community for extended playability. Experience Sonic's evolution on the Sega CD platform.

    What is Sonic the Hedgehog Megamix 4.0b?

    Sonic the Hedgehog Megamix 4.0b is a fan-made mod for the Sega CD platform that reimagines and enhances the original Sonic CD experience. Combining elements from classic Sonic titles with new mechanics, levels, and visual upgrades, this mod challenges players to race through time-altering zones, battle Dr. Robotnik’s forces, and uncover hidden paths. Designed for retro gaming enthusiasts, it retains the fast-paced 2D platforming core of the Sega CD era while introducing modernized twists.

    Game Features

    • Remixed Zones: Explore redesigned levels with new layouts, hazards, and time-travel mechanics.
    • Enhanced Soundtrack: Enjoy remastered chiptune tracks and new compositions tailored for Sega CD hardware.
    • Playable Characters: Switch between Sonic, Tails, and a secret third character with unique abilities.
    • Time Travel System: Manipulate past and future versions of stages to unlock secrets and shortcuts.
    • Boss Rush Mode: Face remixed versions of classic Sonic bosses in a high-speed challenge.
    • Hidden Collectibles: Discover Chaos Emeralds, special stages, and unlockable content.

    How to Play Sonic the Hedgehog Megamix 4.0b?

    1. Movement: Use arrow keys or WASD to run, crouch, and navigate levels.
    2. Jump/Action: Press Spacebar to jump or Z for context-sensitive actions (e.g., interacting with objects).
    3. Spin Attack: Hold Z while jumping to perform a spindash or destroy enemies.
    4. Time Travel: Activate Time Gates by collecting 50 rings to shift between past and future stage versions.
    5. A/B Controls: Use Z (A) for basic attacks or item selection and X (B) for special moves (e.g., Tails’ flight).
    6. Character Switching: Complete specific objectives to unlock alternate characters and their unique skills.

    Frequently Asked Questions

    Is this mod compatible with original Sega CD hardware?
    Yes, it is designed to run on authentic Sega CD consoles and emulators supporting the platform’s specifications.

    What new mechanics differentiate Megamix 4.0b from Sonic CD?
    The mod adds a dynamic difficulty system, randomized stage elements, and a "Hyper Mode" for unlocked characters.

    Can I play as Metal Sonic in this version?
    Metal Sonic appears as a boss, but a hidden unlockable character (resembling a hybrid of Sonic and Knuckles) is available for advanced players.