[realPubkey]

But it seems that the balls speed increases with a bigger are.

[teraflop]

From what I can see from a quick glance at the code, you have the causality backwards. Each bounce adds a small random variation to each ball's velocity, and if one of them randomly ends up moving faster, then it will tend to gain more territory.

[throwup238]

I think the changes to speed are random: https://github.com/vnglst/pong-wars/blob/main/index.html#L16...