Level 7. Hara-Kiri Harbor

Start inside a room and automatically receive the Riot Gun and ammo.

Head out the door, take a right, pick up the Uzi, and enter the corridor.

Continue until you see large crates; grab the grenade shells and Uzi clips behind them.

Head into the harbor and find a boat with explosive barrels.

Blow up the barrels to eliminate enemies inside.

Grab the RED KEY from the boat.

Go to the red key door, located right behind the starting house, and use the RED KEY to open it.

Inside the red key door, defeat the attacking female ninjas.

Pick up the nuke and the SILVER KEY.

Exit the red key door, turn right, then left to find the silver keyhole.

Place the SILVER KEY in the keyhole to gain access to the silver key door.

Enter the silver key door and defeat all the brown ninjas, a ripper, and a coolie. Stock up on items and grab the repair kit.

Go back outside to the open water and find a steamed waterboat (you only need one).

Use the repair kit on the broken vehicle.

Drive the repaired vehicle until you see a small waterfall with an opening at the top.

Drive over the waterfall and jump up to find shotgun shells and the BRONZE KEY.

Go to the Bronze Key door, located across from the silver key door, and use the BRONZE KEY to open it.

Enter the Marketplace.

In the room with the switch, hit the switch, dive into the water, swim through the opening, grab the key, and swim back before the passage closes. Save your game beforehand as Koi may impede your progress.

Exit the room and take the path to the left of the silver keyhole.

Stay on the right wall while moving forward, then turn right and left to find the gold key door.

Use the GOLD KEY on the door and enter.

Kill the baby rippers and pick up the caltrops and missile launcher.

Hit the end level switch to finish the level.