Online key wont work.

Hey I bought this game on steam and tried playing online but the key provided does not work. It simply says the key is invalid. Any help would be appreciated.

Did you make sure the last digit is being entered? When copy-pasting that can be cut off. If it’s missing you can simply add it yourself and it should work fine.

It can also be a firewall blocking the game, that gets you the same error message if it can’t connect