You can even play online with it to a certain extent. Competitive gaming not possible however u can still play workshop maps and some online. Connect followed by the name or IP of the community server if the servers are still online and populated.

Under Network, select Internet for an online game or LAN for an offline game. Click Start Server. Launch Counter-Strike. From there, you will be able to add the friends and family that you want to invite to play on this server.