Looked in to this. Thank you for pointing it out. This is a scene transiting from Loop Champion to WMS logo via the checkered flag from the top. That one did not exist in your colorization - I checked the project just now. This transition I built from scratch but havent applied the complex triggering, which slippifishi and you have done for those other checkered flag scenes. so, I guess I now understand why they are needed and know what to do next.
The other scene missing is a pixel-in scene for the WMS logo. Unfortunately my game doesnt spit out all frames to reliably dump it, and neither does playfield.dev So getting a really extensive attract dump that includes that one would really help.
So before getting to to other stuff i will try to build that rather complicated mutil trigger approach that the other scenes have for this one.
After that ball-drain sequence (bonus add-up), but still working on the detailed colors of the green 2,4,6,8x- letters..