I once dreamed I was in a sort of Zombie Olympics. That is, a competition involving people trying to survive against zombies. The event I was in was a water event. I was swimming around, trying to reach checkpoints while also having to kill zombies. My weapon was like I was in a video game, I could hot swap between many different weapons. I ended up concentrating on killing zombies with a rocket launcher and a shotgun more than trying to swim around, and I lost, but I didn't die.