[dmead]

there will be issues if you play halo. it depends on some telemetry stuff in windows that is typically blocked by this sort of thing.

[sbarre]

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.

[vorpalhex]

Played 1 and 2 of the remastered edition, no issues here.