Usually, people don't go out purposefully seeking death. If they do, it's not death at the hands of Hell's freakish, ravenous minions. Taking those rules into account, it's safe to say that the nameless marine in Doom 3: Resurrection of Evil must be the most depressed, suicidal individual in the history of human society. After all, everyone in the world already knows that the dig site on Mars houses the gateway to Hell. We can forgive characters like Dr. Elizabeth McNeil who runs this particular Mars excavation operation because she's actually seeking something of value. The marine, on the other hand, isn't seeking anything. He's voluntarily journeying to the exact spot where Hell's fanged, plasma spitting demons are known to exist. It's really hard to root for a guy if he's already proven himself to be the dumbest in existence.