×Enter the room with your sword pointing north from the east entrance. Get to chamber 5 with as few moves as possible - use diagonal moves where possible, and ignoring the 4 roaches that follow you, kill the roaches in the chamber.

×Step to the left or right of the chamber entrance to let the wall protect you from the roaches approaching and give you time to turn your sword.

×Attack the roaches in chamber 6 and any that spawn nearby, ignoring the ones that come from behind again, though you will need to get behind the walls of chamber 6 to stop the roaches getting you afterwards.

×Start from the eastern entrance on the bottom square of the passage with your sword pointing north.

Move 8 squares West, 7 South-West, 4 West, 5 North-West, 6 North.

The Roach Queens should begin to spawn now.

Continue, moving 6 squares North until you stand at the entrance to chamber 5 and have killed a roach. Swing once clockwise and then once anti-clockwise.

Step twice North to kill the remaining roaches and then once North-West and Once North-East to kill the Queens.

×Rotate to face south and walk towards them, killing them by stepping into them. Once the last roach dies, you should still have enough time to rotate and kill all the roaches that attack your eastern side.

Rotate to face East and attack the roaches in chamber 6, getting behind a wall in the chamber to protect you from Roaches coming from behind once it is clear.

Destroy the Roaches that come from behind and then kill the Queens and Roaches lodged in the entrance to chamber 7.

You should now be in a sort of safe area where the roaches now only come from the West of the room and they are not coming in overwhelming numbers. Destroy all the roaches that are nearby to you, and head West to the wall at the other side of the entrance to the chamber, killing any roaches that attack. Now clear out chambers 3 and 4 carefully, and then 2, and lastly, 1