Level 17. The Great Escape

Start in a cell. Interact with the grate at the bottom to open it, then jump down into the water.

Surface, exit the water, and blow up the fuel tanks to create a hole. Collect the BRONZE KEY from inside.

Dive back down and swim forward to the Koi. Continue swimming and surface at the first opportunity.

Climb the ladder to the left and defeat the two Female Ninjas.

Use the BRONZE KEY to open the bronze key door. Defeat the ninjas inside.

Head left to the washing room and find a fortune cookie behind the dressing room door.

Go right to the locker room and collect uzi ammo and armor from the top of the lockers.

Proceed to the bedroom and defeat the two Coolies.

Continue through the walkway, defeating ninjas along the way. Enter the vent at either end.

Turn right and proceed until you find the cells. The last cell contains the RED KEYCARD.

Return to the red switch, use the RED KEYCARD, and hit the left switch to open the left cells.

In the first left cell, find the YELLOW KEYCARD. The third cell contains grenade ammo.

Return to the yellow key door (to the left of the bronze key entrance) and use the YELLOW KEYCARD.

Enter the boiling room and hit the switch to the left around the alcove to signal the Alert.

Hit the left door switch to find armor behind it. The right door is empty.

Go to the office room and find the SILVER KEY behind the picture of the man in green. Collect uzi ammo and check the mirror for hidden grenade ammo and a flash bomb.

Return to the silver key door, defeating Coolie Ghosts along the way. Use the SILVER KEY to open it.

Defeat the Serpent Boss inside.

Enter the Cafeteria, collect uzi ammo and a fortune cookie from the table.

Hit the end level switch located to the right between the two windows.