Let me introduce you to Tiberian Sun: Tech Level War. It's a mod with a new gameplay tweak, in which you have to build very expensive buildings - the tech centers - in order to level up and have superior buildings and structures and eventually win the battle. However, there are not useless units in the lower tiers.
You do not have permission to add the requested articles content. If you are a member we suggest you login using the form below as that may grant you permission. Otherwise you can return to the article list and try the links from there.