Descent 3: Mercenary

In levels where you have to get past lots of missile and gun turrets, you can often sneak past them by flying under the catwalks that run through the corridors.

Enter one of the following codes during game play to activate the corresponding cheat function.

Use the Vauss Cannon to fire short controlled bursts at the Sniper Robots. When you hit them, you will knock them around and ruin their aim.

Enter DOPEFISH as a new player profile name. Your profile picture will change to someone with his face painted like the Dopefish.

On Mysterious Island, drop a marker inside the volcano. Lurk in the submarine and flip the switch when you see someone through your marker camera.