zombies

https://aws.amazon.com/service-terms/ 42.10. Acceptable Use; Safety-Critical Systems. Your use of the Lumberyard Materials must comply with the AWS Acceptable Use Policy. The Lumberyard Materials are not intended for use with life-critical or safety-critical systems, such as use in operation of...

Here is some background on each game. http://www.l4d.com/ http://www.residentevil.com/5/ I own L4D! I have only played one of the levels on it so far. Its a lot of fun. There is a heavy emphasis on co-op (4 player online or split screen). You can play the game with the other 3 teamated being...