Proto:Sonic & Knuckles

This page details one or more prototype versions of Sonic & Knuckles.

To do: Check the remaining prototypes for any other notable differences.

Released on February 23, 2008 by drx, these prototypes were part of a huge package filled with prototypes from Sega of America from around 1994-95. Dated after Sonic the Hedgehog 3, these prototypes offer a look behind the scenes at the game's development.

Sub-Pages

Sonic 3C 0408 Dated April 8, 1994. Early build of an unreleased "Limited Edition" version of Sonic 3, while many things were still being implemented.

Sonic 3C 0517 Dated May 17, 1994.

Sonic and Knuckles 0525 Dated May 25, 1994. Differs from the other Sonic & Knuckles prototypes in that it is already locked-on to Sonic 3.

Sonic & Knuckles 0606 Dated June 6, 1994. First build that works without being locked on.

Sonic & Knuckles 0608 Dated June 8, 1994. Nearly finished, but still has a bit to go.

Sonic & Knuckles 0610 Dated June 10, 1994. Only a small number of differences left.

Other Builds

Sonic & Knuckles 0612

• Selecting "Special Stage 1" will still bring you to the Blue Spheres minigame.
• There's still no code to enable Blue Spheres.
• While the password selection for Blue Spheres is present, it can't be selected yet.
• Tails' life counter now calls him "Miles" on a Japanese system.
• The Marble Garden Zone Act 1 miniboss crash glitch is still present.
• The Mushroom Hill Zone Act 2 boss' starting position is still shifted slightly left compared to the final, allowing endless hits on the boss without destroying the satellite, with the first 7 hits counting towards defeating the boss.

Sonic & Knuckles 0618

• Selecting "Special Stage 1" will no longer bring you to the Blue Spheres minigame.
• If Sonic 1 is locked on, the characters on the "NO WAY!" screen are now colored. However, the code to enable Blue Spheres is still absent.
• In Debug Mode, the level coordinates now only show when in edit mode, rather than being shown all the time.
• Beating the Marble Garden Zone Act 1 miniboss with player 2 offscreen will no longer crash the game. However, it now causes the game to reset back to the SEGA screen.
• The falling spikes at the first set of stairs in Lava Reef Zone Act 1 have been removed.

Sonic & Knuckles 0619

• The code to enable Blue Spheres is still absent if Sonic 1 is locked on.