Thanks a lot for the detailed testing, it really helped.
I've uploaded a new version, b72. What changed:
- Score flash fixed
- Blue plane (free-for-all mode): its bullets now hit the London airship and the Egyptian camel, giving the blue plane +1 like the red and green planes.
What I could and couldn't verify: I tested with jzIntv on Linux and in my own simulator
Could you try b72 and tell me:
Do you still see any flicker, and in which scene and at what moment (menu, in game, round change)?
2. Does the score still flash when a point is scored?
3. Does anything look wrong at the start of a round?
New York (day and night):
- Kong is the only extra danger. Any plane that enters his reach box is hit.
London:
- There is no ground or building hazard other than the flat ground.
- An airship (orange or blue) crosses the sky from time to time.
- Planes don’t collide with it, so you fly through it.
Tokyo:
- There is nothing extra. The sea counts as ground, and a plane that crashes there makes a splash.
Egypt:
- The camel plays the same role as the London airship. A red or green bullet gives +1, the camel explodes, and the driver hops away.
Thanks again!

