I keep random accounts throughout the fediverse so downtime is not an issue for me. I'm grateful for this alternative that you've created and I understand that this project is still in it's infancy. Thank you for creating it, but please take time for yourself. This site is truly a gift.
A CPU upgrade isn't going to help with the issues they described. The games are just not optimized properly. Even people with high end, current hardware are having the same issues