Last Ninja 2

Start the game as usual then press F9 to pause it. Now hold down the help key, left s if t and 1 together. Now unpause and use 1 to 5 to skip levels and Fl to F4 to change stages.

punch the panel (trap door)

Enter the second room and kill the man there. Quickly run to the far wall then punch the panel. If your punch is accurate the white square will turn black. When you return to the first room you'll find that a trap

Level 1: Go behind the curtains and punch the flashing box on the wall. Return to the start room where a hole will have appeared in the floor, drop through it. Pick up the key and exit through it. Jump the river, using the boat (practice required) then leave the room. Be careful of the killer bees. Go up the winding path and jump at the edge of the water to arrive at the island. Go to the bushes and push the boat using your pole, it should move. Leave this room by the bottom exit. In the box are some shurikens, to get them "pick up" in front of the box. Level 3: first room, ignore the first door and leave by the top exit. Go through the door into the next screen and stay close to the wall. Leave by the door, pick up the key, and leave by the door. In the next room stay on the paving stones nearest to the door, run and jump over the gap into the next room.

squeezed every last ounce out of the machine's 48K memory