Motorsport Manager is a good game however, despite it being a single player game only, you appear to have to agree to SEGA's data collection before you can play the game. Don't agree, you can't play. So I've blocked the MM.exe file in the firewall and this shows how. Whether SEGA actually are collecting data I'm unsure but the fact you can't play the game without agreeing to the data collection terms suggest they do. It is possible it still sends data via Steam so the only other way would be to play offline. It's also possible that blocking the mm.exe could cause issues in game (it shouldn't) so take all this on board if you proceed with this. If anything, it's useful to see how to block applications in Comodo Firewall. ... https://www.youtube.com/watch?v=Mee7yyjd0dU