Carnage Concierge [ROUGH PROTOTYPE, SO VERY ROUGH]

Ok, gonna level with you here, its babys first FPS, and my first 3d game period, so have mercy. This is more of a very rough suggestion of concept/prototype that I just wanted to get posted in time to submit to 7DFPS, which Ill hopefully keep trying to, yknow, actually finish. Anyway, youre working as the only concierge at a hotel scenically located on the island of a perpetually rush hour traffic circle, you need to check guests in, and repel stray cars from the hotel. Move around with WASD, ES...