Part 9

Swim east through shallow water, then head north to dry land.

Head south, take out the guard, and head west.

Kill the next guard and head north.

Use CARD 6 to enter the room on the right wall and acquire PLASTIC EXPLOSIVES.

Return to where you got on land and head north.

Use CARD 7 to exit BUILDING TWO and enter the SCORPION DESERT.

Equip the COMPASS and head north through screens of scorpions, using ANTIDOTES if stung and RATIONS if needed.

Reach the trucks and door. Several guards will emerge from the trucks.

Enter the center truck on the left and the truck near the door on the right for AMMO. Be cautious of the four guards protecting the right truck.

Use CARD 7 to enter BUILDING THREE.

You will be ambushed by four guards. Enter the door on the left using CARD 1, but do not move once inside as it is a trap.

Exit the room and use a PLASTIC EXPLOSIVE on the right side of the north wall.

Hug the right wall and head north, avoiding traps by staying on the right wall and heading up until you reach boxes, then heading left and up at the corner of the box.

Continue over the first trap until past the elevator, then head north and right to enter the elevator.

Take the elevator down to the 100th floor basement.

Avoid the two cameras on the north wall by hiding behind the center wall.

Use a PLASTIC EXPLOSIVE to blow open the wall in front of the center wall to find the OXYGEN TANK.

Return to the first floor and back to BUILDING TWO.

Head right from BUILDING TWO, equip the OXYGEN TANK, and swim north until you reach shallow water.

Exit the water, avoid guards, and head north.

Use REMOTE-CONTROLLED MISSLES to destroy the control panel next to the door on the left, which has an electrified floor.

Enter the door on the left using CARD 1 to find two boxes of AMMO.

Use CARD 7 to enter the door on the right to face Coward Duck.

Jennifer will call, informing you Coward Duck has CARD 8 and her brother is among the POWs.

Head north along the left wall, then up hugging the boxes to rescue the POW on the left.

Use your HANDGUN to defeat Coward Duck (approximately 10 shots).

After the fight, grab CARD 8.

Rescue the POW on the right and Jennifer's brother in the center.

He will tell you to use the ladder on the left when escaping Outer Heaven.

Stock up on AMMO, PLASTIC EXPLOSIVES, and RATIONS from the rooms near the Coward Duck room, before exiting BUILDING TWO, and the first-floor basement of BUILDING TWO, respectively.

Head back to the 100th floor basement of BUILDING THREE.

Avoid cameras and use CARD 8 to enter the door on the right wall.

Enter the room and rescue the POW, who reveals Big Boss is the leader of Outer Heaven.

Exit the room and head west. Big Boss will call, ordering you to stop the operation and switch off your MSX. Ignore him.

Run past the cameras on the south-facing walls and use CARD 8 to enter the door on the north wall.

Equip your GAS MASK and head to the northeast part of the room.

Punch the wall until you hear a tapping sound, then use a PLASTIC EXPLOSIVE to blow it up.

Head through the passage to the next room.

Follow the left wall to the door and use CARD 1 to enter.

Equip your MINE DETECTOR and quickly move through the room containing MINES and gas.

Use CARD 1 to enter the next door, which has an electric floor.