The cause of this problem might not be what you think it is. It must be kept in mind that these issues can be minimized only to a certain extent and you will not be able to fix Steam Games Lagging completely without a professional solution. There are a few solutions and tweaks that could improve your situation. There have been a lot of reports on the internet from many users out there regarding Steam Games Lagging and the problems have been on an increasing trend with no solution in sight.