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Sonic Mega Collection

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Title Screen

Sonic Mega Collection

Developers: VR-1, Sonic Team
Publisher: Sega
Platform: GameCube
Released in JP: December 19, 2002
Released in US: November 10, 2002
Released in EU: March 7, 2003

MinigameIcon.png This game has unused modes / minigames.
GraphicsIcon.png This game has unused graphics.
ModelsIcon.png This game has unused models.
MovieIcon.png This game has unused cinematics.
MusicIcon.png This game has unused music.
SoundIcon.png This game has unused sounds.
RegionIcon.png This game has regional differences.

ProtoIcon.png This game has a prototype article

Sonic Mega Collection wasn't the first compilation of Sonic games, but it sold well enough for Sega to produce oh-so-many-more ports of classic games.

An updated version was released for the PlayStation 2 and Xbox titled Sonic Mega Collection Plus.


Read about prototype versions of this game that have been released or dumped.
Prototype Info

Early Menu

This is quite unfinished.
An early version of the Games menu is in the disc, albeit mostly in Japanese. It is clearly from an earlier stage than the leaked prototype, which uses the final menu style. This menu translates to:

Sonic the Hedgehog
Sonic the Hedgehog 2
Dr. Robotnik's Mean Bean Machine
Ristar the Shooting Star
Monster Lair

The other listings are a series of As in hiragana. Vectorman was eventually included with Sonic Gems Collection, while Monster Lair (the Mega Drive port of the third Wonder Boy arcade game) was not put in any collection. The original 3D Studio Max file of the menu is present in the same folder, as well as a breakdown of all the menu's textures in PNG format.

Unused Graphics

Sonic CD Remnants

To do:
Rip the manual and put it here.

Sonicmegacollection soniccd.png
Sonic CD was going to be in the collection, but was cut due to emulation issues and a supposed lack of space. A scan of the European manual is still in the collection's files, while gameselect.tpl contains an image with crude Japanese writing of "ソニック CD" ("Sonic CD").

Both the manual and the image can be seen normally in the prototype, as it still has Sonic CD in the Games menu.

Demo Graphics

Present in the demo folder are .tpl files that have graphics for a demo, all in Japanese. Notably, the first picture uses the layout of the prototype title screen.

Sonicmegacollection demotitle.png
Sonicmegacollection demostart.png
Sonicmegacollection gameselect.png
Sonicmegacollection filmreel.png

The title screens of the games, though some are blacked out:

Sonicmegacollection demogames.png
The Japanese message at the bottom says "Sorry, but you can't play this yet."

And finally, there's a screen for when the demo ends:

Sonicmegacollection next.tpl.png

Thank you for playing.
Look forward to lots more to play in Sonic Mega Collection,
planned for release this winter!

Unused Videos

Three short videos were found inside the data. Sega is not credited on any of them, and none are even remotely related to Sonic. It is likely that Sega was testing the Sofdec player and simply didn't take these files out. The movies and songs take up roughly 20% of the data, and even then there's empty space on the disc. This space (and the space taken by the other unused stuff) could have easily been used for more games - like, say, Sonic CD.


A test video for CRI's Sofdec video compression technique for developers. If opened by FFPlay or a similar player that can play Sofdec/ADX files, the unused song is played as well.


A 12-second soundless CG water rippling effect somewhat similar to the Sonic Team logo animation of Sonic Adventure. The purpose of this clip, aside from showing off Sofdec's capabilities, is currently unknown.


A 30-second clip of San Francisco which might be from CRI, since they do have offices there. It is suspected to be a test clip from the Dreamcast development kit.

Unused Music

Song Notes
A three-and-a-half minute song used for a video intended to demonstrate the capabilities of the Sofdec codec (see above).
It appears this song was sourced from a stock music library, as the first 10 seconds are also used in the unrelated 1999 anime Colorful.
A track from Sonic Adventure 2: Battle's multiplayer menu, probably meant to test the ADX music format.

Unused Sounds

There are three unused sounds located in demosound.bin, alongside the aforementioned multiplayer menu theme from Sonic Adventure 2: Battle. This implies that at one point, there may have been an early menu thrown together with assets that the developers had easy access to.

Sounds Notes
A confirm sound from Virtua Fighter.
A cancel sound from Virtua Fighter.
A buzzer sound from Virtua Fighter.

Regional Differences

Comix Zone and The Ooze are only available in the Japanese version, and even then can only be unlocked with button codes:

  • Comix Zone - Press Up, L, Down, R, Up, Z, Down, L, Up, R, Down, Z in the Options menu.
  • The Ooze - Press Z, Z, Z, Up, Up, Up, Down, Down, Down, L, R, Z in the Manual menu.

Both games were included in all releases of Sonic Mega Collection Plus.