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GameSpot's Guide to Starcraft

Mission 4: Assault on Korhal

Overview
You must defend your position from all angles against enemy Terrans, and work your way toward destroying either the enemy Physics Labs to the northeast, or the enemy Nuclear Silos to the southeast. The process will be deliberate, because the enemy Terran positions are heavily fortified, and attacks upon your base will be fierce. Depending on which objective you finally complete, the subsequent mission will be slightly different.

Possible Expansions
You'll find an unoccupied resource node on high ground to your west, and you'll want to claim this area as soon as your original location is fortified. You'll find another resource node to your east, protected by a Ghost, a Missile Turret, and a Bunker and surrounded by walls. It cannot be defended quite so nicely as the western location, but is nonetheless suitable for a second expansion should you deem one necessary.

Your Ghosts can nuke their way into the enemy base with little fear of being discovered.

Key Points
Unfortunately, you cannot build Battlecruisers in this scenario. Fortunately, you can build Nukes, and the enemy presence here happens to be very vulnerable to nuclear strikes. Although the enemy will use Comsat Sweep without fail whenever you attack with cloaked Wraiths, he has no way to detect your Ghosts unless they attack or are spotted by Missile Turrets. Finally, whichever you choose, focus your attack on one or the other. Either objective is similarly difficult, but the following mission is easier if you go for the Nuclear Silos here instead of the Physics Labs.

Use Comsat Sweeps to unmask either objective, then decide which to pursue.

Walk-through
Your Comsat Station begins fully charged. Try to spot either objective in the northeast and southeast corners, and look for the resource nodes to your east and west. You must work quickly to set up your defenses. Start gathering minerals, start another SCV, build a Machine Shop, and start training another Marine. Build Bunkers at all corners of your base as soon as possible, but remember to leave room to expand. Unfortunately, you don't have too much real estate to work with. Build Missile Turrets just beyond your Bunkers; they tend to draw enemy fire and will catch any incoming Wraiths. Bolster your Bunkers with Siege Tanks as resources permit. Don't keep all your Marines in Bunkers; be prepared to move them to any point on your base, since attacks may come from any direction. Keep Medics around to keep them in good shape.

Next: The Mission 4 Walk-through, continued
 

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