maybe it would be better to improve website performance so users feel more comfortable when playing, I read the previous post that DDoS attack disturbs your users comfort
It might be a coincidence, but it's funny that I know at least two websites that get DDOS attacks quite often. One of them needs to go as far as going into low functionality mode to thwart the attack. They also use Cloudflare as an additional measure, so I guess it's standard practice to use Cloudflare for DDOS attacks. I'm not up to date with how much it costs for a hosting server to provide additional protection nowadays, but it's definitely not cheap. Probably worth it if it means keeping your customer satisfied though.