Hi there. Actually I do have a custom built PC. I can play every games perfectly, for example, FFXV +144fps modded with shaders and graphics mods. My specs are:
MB: Gigabyte A75 Potato Founders edition Graphics: Voodoo 3dfx RAM: 512MB DDR2 (x1) CPU: Potato Integrated CPU (IBM Power Cell) RAC (Remote access card): AVAYA (aliexpress one) I use it to play pokmon go and well, it's useful to connecting in another PCs.