itch.io

As a simulator, it is simple enough to quickly develop some intuition about effects. I did not need instructions to make profit. Good.

UI-wise, the weakest point is cashout screen. Readability could be better on this one.

Gameplay-wise, the starting price of crypto should be zero at least when starting a new currency.
Otherwise, just by clicking cashout you can earn 5 pounds per cashout. If you want to illustrate pump-n-dump, start with 0.