Overview by Richard Huenink


Name

Incubator Ship Invasion

Filename

ISI01

Size

Medium

Setting

Middle of the Night


Level Summary

Description

The Aliens have hatched a plan setting up a Huge Incubator Ship in a Las Vegas Casino Courtyard almost completely covering a large swimming pool. Within the Incubator Ship the Aliens are growing thousands of Embryo Octobrains. In just a few hours the Aliens plan to release the Octobrains into the Cities sewer system. Duke’s Objective is to get inside the heavily guarded Incubator Ship and to destroy 2 crystal nucleus cores which power the Incubator systems.


This mission features a variation of the Shrink mechanic called a “Sentry Shrink Turret”. The Sentry Shrink Turret will shrink Duke for approx 45 seconds also represented by an on screen display. After the time expires Duke will return to his normal size. Note: If Duke returns to his normal size within a confined space he dies and restarts the mission from a designer specified checkpoint.


Game Play begins at the rear Hotel foyer a new objective appears “Find a way inside the Incubator Ship”. Entering the rear Courtyard Duke is quickly met by hostile aliens. With a few blasts from the Devastator Duke clears the Aliens and begins to look for one of two possible ways into the ship.


The first way in Duke must swim under the ship and locate an interactive intake vent that he must first successfully rip off its hinges and then return to the surface for air before swimming back through. Note: The Pool water is infested with Octobrains.


The second way in Duke spots a submerged entry bridge that connects to the main entrance. With a closer look Duke notices a huge deflated dinosaur floatie is tangled up under the submerged access bridge. Duke must find the 2 Floatie valves and while under water blow up the Dinosaur Floatie which raises the bridge to the surface allowing access inside the ship. Both ways into the ship lead to the Entryway.


Entering the ship a new objective appears “Find and Destroy the 1st Crystal Nucleus Core” Following the 1st Corridor out of the Entryway Duke surprises a battalion of Aliens. Clearing the Aliens Duke runs into an impassable Force Field. Above the Force field is a Sentry Shrink Turret that tracks Dukes movements firing at 3 second intervals. If Duke is hit by the Turret he will be shrunk for approx 45 seconds. Near the Force Field on the wall is a very small vent cover. Duke can interact with the vent whether he is shrunken or normal size but is only strong enough to rip the vent cover off when he is normal size, and can only enter the vent while he is shrunk. To solve this puzzle Duke must evade the Turret and get to the vent cover while normal size and rip off the cover. He must then let the Turret shrink him and enter the small vent. Now in less than 45 seconds Duke must follow the small vent to the end finding an interactive wiring hub. Duke must rip out the wiring hub disabling the Force Field.


Past the Force Field Duke follows the 2nd winding Corridor around encountering more alien resistance en route to the 1st Incubator Room. Entering the 1st Incubator Room Duke is met by hostile Aliens scattered on is multi-tier catwalks around the perimeter. The deep lower floor is lined with egg-like growing embryo Octobrains. Clearing the enemies Duke makes his way around the network of catwalks finally reaching the fortified Crystal Nucleus Core. Studying the area Duke sees a small exhaust vent below the impervious glass shield protecting the Core. Utilizing a nearby Sentry Shrink Turret Duke allows himself to get shrunk. Hurrying into the exhaust vent Duke avoids intermittent steam bursts before finding the Crystal Nucleus Core. Planting a pipe bomb on the core Duke quickly exits the vent before destroying the Crystal Nucleus Core. The resulting explosion opens a large hole in the center Core housing allowing Duke access to the far side catwalk. Following the catwalk around Duke exits the 1st Incubator Room into a 3rd Corridor which leads to a large open Arena.



Entering the Arena a new objective appears “Defeat the 30 foot Alien”. Duke begins on a 2nd tier balcony that skirts the perimeter of the room. On the far side of the balcony is a huge mounted Cannon. There are 2 small side rooms off the balcony. Large havok energy cells are strategically scattered across the arena and side rooms. The exit to the Arena is a locked set of doors on the main Arena floor and to make matters worse there is a Huge 30 foot tall Alien guarding the exit. The Huge Alien will throw things at Duke, swipe at Duke and attempts to smash Duke. The Alien is impervious to all of Dukes weapons. To beat the Huge Alien Duke will need to use the havok energy cells which Duke can load into the Cannon one at a time and fire the Cannon at the Huge Alien. Hitting the Alien with the Cannon causes the Alien to temporarily Shrink to a man size for approx 20 seconds. While in a Shrunk state the Alien can take damage. Duke must find more energy cells and repeat this process until the Alien is defeated. The first 2 Energy Cells are easy to get but the rest are cleverly distributed in the Arena and the side room requiring Dukes ingenuity to solve havoc puzzles, destroy walls, use a jetpack or even trick the Alien into helping him to acquire them. Note: If Duke sets an Energy Cell down the Alien may pick it up and throw it or if the Alien strikes Duke while he carries an energy cell it will get knocked out of Dukes hands.


After defeating the Huge Alien a new objective appears “Find and Destroy the 2nd Crystal Nucleus Core”. Duke makes his way down to the main Arena floor destroying a keyless entry pad to open the Arena Exit doors. Following a 4th Corridor around Duke clears out a battalion of aliens before entering the 2nd Incubator Room. After clearing all hostile Aliens Duke notices the room is architecturally similar to the 1st Incubator room but larger. Following the network of catwalks around Duke comes to a large gap between 2 catwalks. The gap is too far for Duke to jump across. Underneath the Gap is a large vat with bubbling alien fluid in it. Occasionally a bubble will float up past the gap before bursting. To solve this puzzle Duke must first utilize a nearby Sentry Shrink Turret allowing himself to get shrunk. Then with careful timing Duke must jump onto a floating bubble and in a platform like section use several bubbles to reach the other side. Following the catwalk on the other side Duke reaches the 2nd Crystal Nucleus Core. Studying this Core Duke notices not one but three tiny exhaust vents at the bottom. With further study Duke finds a nearby interactive metal cover that he rips off its hinges. Under the cover is a Core Schematic that Duke can use to determine which of the three exhaust vents is the shortest and least treacherous. With his newly gained knowledge Duke utilizes a nearby Sentry Shrink Turret to shrink himself. He then quickly enters the shortest exhaust vent avoiding intermittent steam bursts before finding the 2nd Crystal Nucleus Core. Planting a pipe bomb on the core Duke quickly exits the exhaust vent before destroying the 2nd Crystal Nucleus Core. The resulting explosion shakes the ship and creates a large hole in the bottom of the 2nd Incubator Room and in the bottom of the Swimming Pool opening directly into the sewer. Duke watches in horror as thousands of Newborn Octobrains awaken and slither away escaping into the sewer. Next Mission: Sewer Sushi



















Game Play Summary

Find one of two possible ways inside the Incubator Ship

  • Clear Alien Hostiles in Courtyard and Swimming Pool

  • Tear off underwater hatch CI getting into ship

  • Blow up Dinosaur Havok Floatie raising the submerged entry bridge

    • Gun Combat

    • CI (Contextual Interaction)

    • Havok puzzles


Get past the Force Field

  • Clear Alien Hostiles in Entryway and the 1st Corridor

  • Tear off small vent cover (must be normal sized)

  • Enter vent and tear out wiring CI (required time limit must be shrunk)

    • Gun Combat

    • CI (Contextual Interaction)

    • Timed Shrink Game Play


Destroy the 1st Crystal Nucleus Core

  • Clear Alien Hostiles in 2nd Corridor and 1st Incubator room.

  • Enter vent and plant a pipe bomb on the 1st core (required time limit must be shrunk)

    • Gun Combat

    • Timed Shrink Game Play

    • Avoid hazardous intermittent steam


Defeat the impervious 30 foot Alien

  • Clear Alien Hostiles in 3rd Corridor en route to the Arena

  • Avoid 30 foot Alien who attempts to swipe, smash and throw things

  • Collect Energy Cells to power up the Shrink Cannon

  • Solve Havok puzzles to collect more Energy Cells

  • Solve destruction puzzles to collect more Energy Cells

  • Trick Alien into destroying environment to collect more Energy Cells

  • Use Jet pack to collect more Energy Cells

  • Shrink Alien with Cannon allowing 20 seconds to damage him

    • Gun Combat

    • CI (Contextual Interaction)

    • Havok puzzles


Destroy the 2nd Crystal Nucleus Core

  • Destroy keyless entry pad CI gaining access to 4th Corridor

  • Clear Alien Hostiles in 4th Corridor and 2nd Incubator room

  • Ride on liquid bubbles over an alien liquid vat (must be shrunk)

  • Rip off metal cover CI discovering Core schematic and shortest route

  • Enter vent and plant a pipe bomb on the 1st core (required time limit must be shrunk)

  • IGC shows core exploding and newborn Octobrains escape into the sewer

    • Gun Combat

    • Shrunk Platformer section

    • CI (Contextual Interaction)

    • Timed Shrink Game Play

    • Avoid hazardous intermittent steam