That's a really good point on the colour stuff. We take that stuff seriously and we'll have a think about how to accommodate people with colour vision deficiency. Thank you for raising it.
It is possible that your browser is rounding timestamps to the nearest 100ms to stop fingerprinting attacks. We are looking into a solution that should get the game feeling more satisfying.
Thanks for the feedback, hopefully we'll be able to get this game to a point where it's enjoyable for you in the future.