I made the terrain using the super awesome Terrain Toolkit. Surprisingly that was the simplest part. Adding a first person character and make it properly walk on the slopes was pretty hard. Although I am sure it's me being inexperienced working in Unity and 3D.
Give me the weapons
Once the terrain was out of the way it was time to add some weapons.Since I am keeping it simple I just used the cube and sphere provided by Unity. This allowed me to add 2 weapons to my player in an hour. Once they were aligned properly I just had to make them fire. I think that was the coolest part when I filled the the bottom of a small hill with bullets and bombs. Since it had no collision detection whatsoever they were just sitting there, lol.
Need to add some nasty zombies to shoot and explode. Not planning on making 3D models so they might be just some square mesh running around.
Here is the current game play, so much fun already :))