Translations:Proto:Sonic & Knuckles/Sonic 3C 0408/13/en

Flying Battery Zone

• The echo track of Act 1's music will go off-sync after looping, and will slowly drag more and more behind the lead melody as it continues to play.
• Various objects are missing in some places, such as badniks, hooks and rings.
• There are no giant rings in either Act.
• Some of the magnetic platforms are embedded in spikes. They can still hurt you if the platform isn't raised.
• Gapsule's position is about 16 pixels to the left in comparison to later prototypes and the final. The coordinates are the same as in Sonic 3.

• A double set of doors in Act 2 does not open completely.
• A few level design differences. For example, the pendulums in Act 2 are missing, and in the area after the Act 2 miniboss, there are two ring monitors in place of a red spring, and there are no spikes.
• Some of the elevator shafts do not have spikes, and some that go upwards do not crush the player at the ceiling, instead pushing them through it.
• There is an erroneous chunk placement in the background near the end of Act 2.
• Robotnik stops exploding as soon as he begins to fly away.
• Your character does not automatically roll when he busts down the door during the transition to Sandopolis Zone. They appear to be rolling in the Sandopolis intro, though.