Until I can fix this as an update this is how to be Hidden Factory. To get up the pyramid you have to boost while turning or you'll end up sliding down.
Sonic The Hedgehog 5 will be relased in episodes/zones because of audio modding issues.
The spaceport demo is beta but it's beatable.
The payable characters for this mod are Sonic, Buddy, and Shadow. (Though He's Playable in Three Stages) No Classic Sonic.