If you have installed a game update, you may need to start from scratch. I updated Rainbow 6 Vegas and couldn't restart from a checkpoint but had to restart the level instead. Didn't need to restart from the beginning of the game though. From Notty71
If youhave the "Halo 3 Mythic" it does not let you play campaign but if you have "halo 3" your disc is broken but on halo 3 mythic campaign isn't on that disc. Add me on xbox live im Mr quiggels
At the menu, choose campaign and jump right in. You can set your difficulty and skull settings as well. Completing the game previously also gives you access to checkpoints called "rally points".
If your screen goes black whenever you load a downloaded game on your Xbox 360, but you can still open the Xbox menu, the problem is likely with the game itself. Try uninstalling and redownloading the title.
at the start go onto load ame and pick a game to load
Provided you did not overwrite the save, you simply hit ESC(PC)/Start(Xbox 360), scroll over to the 'Game' tab, hit load and select the desired save game.
You can play the Sims 2 Pets on the Xbox 360. But you have to have the game on Xbox. If you do place the game in your 360 and it should load up. :D :D :D
You can't do it, the only way to not have to start from the beginning is by selecting edit settings in the game lobby, and choosing which chapter you want. This will disqualify you for any "survive the campaign" related achievements.
When you have two controllers connected to the xbox and you start a new game or play a previous game it should make the guide pop up to sign the other controller in and it should load after that. And if it does not do that you may need to check to see if you have a HDMI cord hooked up to your HDTV.
Use the Campaign disk, and click on campaign. Then a menu will pop up, here you can add another player, change the difficulty, and choose which mission to start on. Just go down to where it displays your mission and either click on it, or go over on the joystick until you find the mission you wish to start at. Then let it load and click start game.
at the start of the where it says start game or load game
Select Create Game : Then select New Campaign or Freeworld Play Hit X to Start, exactly in the same way you did to start your first game !!
It's quieter AND uses a crap load of space.