I was thinking of doing an Alien Swarm Campaign but basing it on Earth, I wanted to make the levels a little bigger so you can roam around a little more maybe find some hidden stuff, like journals and ammo and such. Not too much bigger though, don't want to make the file sizes too big. One thing I want to do, well one thing I did was port over a lot of materials and models from previous valve games. My main issue i'm worried about is will I get in trouble with valve for doing that or not.
I Have been working on this for a couple days now, haven't gotten a ton done, but I don't want to get too far and have to scratch everything because of using the models and stuff from other valve games. Just not sure about copyright issues.
http://youtu.be/YRYy1syoVlg
Again, any information will help, thanks.
Jhobbs





