Search Rusty's toolbox. Go west and into the closet.

Search the box. Take the Brop. Take some clothes. Go back out.

Unscrew the panel with the Space Knife 3000. Use the knife on the robot. Use the formula in the game manual and enter the code. Go east and north.

Use the Space Knife on the little x on the control panel. Go out and west.

Use the signal booster on the power socket. Use the A.R.M. on the socket. Use the string on the Brop, then the string + Brop on the A.R.M. Use the signal booster on the electrothinga. Use the powered thinga on the open electrical panel. Go east.

Touch Rusty's foot to grab some fire. Go north.

Use the fire on the chute. Go out, west, into the closet and click on the ceiling panel. Go east.

Use the Space Knife on the panel. Use the BropArm hybrid on the hole. Go back to the starting room.

Use the muzzle on Stenchie.