Starcraft 2, Brutal difficulty walkthrough with commentary
Mission 9: Haven's Fall
Build a fleet of vikings to stop zerg infestation at various colonies around the map, all while destroying the 4 main zerg bases. The most important thing about this map is to never let a colony infestation finish. When a colony gets infested, a bunch of zerg run over to it and start building a virophage. If the virophage finishes, the colony becomes fully infested, and starts sending huge waves of zombies at you. Fortunately, the units guarding each phage are made up of anti-ground units, with only mutalisks able to target your vikings. You can also interrupt infestations in progress if you get lucky and stumble on one before the virophage even starts.
Starcraft 2 Mission 9: Haven's Fall walkthrough on Brutal (w/commentary) Part 1 of 3
Starcraft 2 Mission 9: Haven's Fall walkthrough on Brutal (w/commentary) Part 2 of 3
Starcraft 2 Mission 9: Haven's Fall walkthrough on Brutal (w/commentary) Part 3 of 3