you try to find the keys of your supervisor who is a duck. You and the duck are working in a blockhouse, but the Martians attack you suddenly, you two run to the outlet of the blockhouse. Duck order you to go back to retrieve his keys in his headquarters. So you have to turn back. The enemies are shooting everywhere; sometimes you might meet holes in the floor. You can use the spacebar to drill to the teleport pod which will bring you to another place. The ?left? and ?right? arrow keys can control your directions. Click ?up? key, you can jump. And click ?down? key, you can dodge. When you use all of your health, game will be over.