Sub-level 1: 61 Humans, 5 Predators = 66 enemies Sub-level 2: *Work in progress* Sub-level 3: *Work in progress* Sub-level 4: *Work in progress* Sub-level 5: 68 Humans Alien Ship: 40 Humans, 3 Predators = 43 enemies Predator Ship: 7 Predators All vents are clear; no enemies