Halo: Master Chief Collection is an absolute broken mess
Last weekend, I picked up the Halo Master Chief Collection from the Steam sale with a friend. We wanted to play through Halo 1 again, but it was completely unplayable.
You can’t always join another player’s session.
Occasionally, nothing happens when starting a mission.
On certain missions the game just completely freezes.
At certain points the game locks up leaving you unable to move.
It’s just awful. Don’t buy
Consider reinstalling it. Delete all settings and what not. Possibly reset your entire system if need be.
These are not common problems with this collection of games.