How to display the game on the site?

Question

Bots

Good afternoon, I started creating a site on the topic of slot machines. But not the point.
Do not tell me how you can make the game output like this ???
For example, the site
playmaxima.com/igrovoy-avtomat-book-of-ra-deluxe I
just can't understand this flash? or js?
In general, how is it?

Answer 1

I understand correctly that paying $ 5 for the same notorious DigitalOcean at the minimum wage is strangling you?

Answer 2

It's flash

Answer 3

a regular flash game taken from another site and framed.