I've been running a pi-hole for years and played Halo on Windows 10 and had no problems. If you add a bunch of extra-aggressive blocklists maybe you'll have is

I've been running a pi-hole for years and played Halo on Windows 10 and had no problems. If you add a bunch of extra-aggressive blocklists maybe you'll have issues but if you stick with the recommended OOTB lists, you'll be fine.