Jak 3: Part 27: Frontline Port Defense
Attacks on the Port, let alone Torn's makeshift Freedom League base at the Naughty Dog, continued to be relentless. Torn was forced to put Jak & Daxter on the frontlines to fend off the invading forces of Metal Heads AND KG Bots.
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The resulting automatic mission afterwards feels more like a Tower Defense style of play. You will go through different spot at Haven City's Port, killing off any enemies that show up there one after the other.
For just this mission, you have unlimited ammo, but you can only use the Blaster with it. You can pick up other Morph Gun weapons such as the Vulcan Fury and the Beam Reflexor, but these will only spawn in randomly, and only be used one at a time, and they still cost ammo to use. Exhaust that all, and you're forced back into the Blaster.
The last two sections of this mission will have you protect scared civilians, and then you'll even have to eliminate some Blast Bots.