The On top of 343 Guilty Spark stunt is a location that involves getting on top of the first area you play in on 343 Guilty Spark. This is a very old and easy stunt and has been known about since February 2002.
- Throughout the cutscene (unless you know where it ends) press the "Throw Grenade" button so that right when the cutscene ends, you throw a plasma grenade and stay in the Pelican.
- Ride in the Pelican the whole way until it lands.
- Press the "Action" button to get out of the Pelican and then roam around the top of the map.
- This stunt is used when seeing the Unused Marine on top of 343 Guily Spark.