By using the Game Genie code RFTT-A6XW then pressing A + Start on the title screen or when in the level select, or the Pro Action Replay (PAR) code FFFFFA:0001 which enables debug mode without the need of a button combination.

These still rely on the data from Sonic 3.ĭebug mode cannot be unlocked by normal means.

The only remnants of the Sonic 3 Zones are the patches made to various Zones.

Bonus 1 goes to the Glowing Spheres game.

Knuckles can't enter either level of The Doomsday.

If Knuckles defeats the boss, the game will reset to the SEGA screen.

The Doomsday Act 2 leads to the final boss of Death Egg.

If Sonic beats The Doomsday Zone, the bad ending plays if the player doesn't have all the Chaos Emeralds.

Knuckles can enter Death Egg, but can't defeat the Act 1 boss (Knuckles is unable to jump high enough to hit the boss in the first phase).

Sonic can't go to Knuckles' level and vice-versa.

Sky Sanctuary Act 1 is Sonic's level and Act 2 is Knuckles'.

Each character goes to their respective entrance in the level.

Lava Reef Act 4 goes to Hidden Palace Zone.Lava Reef Act 3 goes to the boss room.Entries in the sound test which normally have songs only heard in Sonic 3 are now empty and unplayable. The Sonic 3 Zones are also listed here, but choosing any of them will redirect to Mushroom Hill. Trying to select Sonic & Tails (00) or Tails (02) will just give Sonic alone. From there, pressing C can choose between Sonic (01) and Knuckles (03) only. At the title screen, press A + Start to access the level select. Press Start to pause, then A to return to the title screen. When paused, the following actions can be performed: If done correctly, a ring chime will play. Once the player has grabbed a lift, press Left, Left, Left, Right, Right, Right, Up, Up, Up.

The level select can be accessed by starting the game and grabbing one of the lifts in Mushroom Hill Zone.

Sonic windows zone floating glitch