The start is too slow, but speeding up makes it impossible to follow too soon, better find a sweet spot that makes it fast enough to be fun but not too fast so that you can still react

Also not a fan of not being able to stop

The idea of changing colors to match the danger is good

Of course there is polish, art, audio to improve

"I apply the limitation in my game that the player main task is to beat his own high score"

Very funny.

This game is a nice idea, but i don't get the limitations.
Overall nice work !

I don't get the use of the limitation... everything is okay otherwise