Really easy way to defeat tartarus
If the battle with tartarus is a seperate level, then go to the level before it. (I haven't played the game in a while, but I know there's a cutscene right before you fight tartarus) Anyways, when you get the two banshees and there's johnson (or whatever his name is in the scarab), when he blasts down the door, take your banshee and fly into there. Now it's a lot of ruins, but this is the trick. Fly your banshee up, and use your boost to get through the small gap in the top of the ruins and the celing. Once you get past there, the door won't open for the banshee, but that won't be a problem. Just get out of the banshee, and wait for the door to open, then get in the banshee, use the boost, and go through the door. Then you kill all the people in there, boost through the next door as far as you can before the cutscene. (All this will do is save time.) after the cutscene, you can backtrack, and the banshee will be there. Use the plasma cannons and fuel rod cannons to kill tartarus in under a minute.
If you need more help, we've got more Halo 2 cheats and also check out all of the answers for this game
Comments for this hint