MaxCiv
Warlord
I posted this question in a different thread earlier, but never got an answer...
Will Steam require me to buy two copies of the game if I want to install it on my wife and I's two laptops to play a LAN game? I'm not going to spend over $100 on the game just to have mult-player LAN functionality.
In order to do what you are asking you do need to buy 2 copies of the game, Steam or not. This is true of any game unless the license explicitly says otherwise. Remember that you don't own the game. You buy A license to use the software.
If you want to install it on multiple PCs and want to use it concurrently, you need to have 2 licenses, the same way you need two Windows licenses if you want to install the OS on two machines.
The fact that there are ways around it and in some games, that limit is not enforced, it doesn't make it legal.