Forza Motorsport/Modes

Note that as of April 15th, 2010, all mentions of Xbox Live and online gameplay are no longer possible due to the Xbox Live services for the original Xbox shutting down.

From the Main Menu

 * Arcade Mode - Compete in wheel-to-wheel races to unlock cars. These cars can be used in Arcade, Multiplayer, and Free Run.
 * Career Mode - Collect and customize cars from around the world. Earn credits and unlock manufacturer relationships.
 * Multiplayer - Race against other players over Xbox Live, split screen, or System Link. View Xbox Live scoreboards.
 * Time Trials - Prove your skill by setting the fastest single lap times on specific tracks with a specific car.
 * Free Run - Practice with any car on any track, including test tracks and several autocross courses.
 * Options - Choose custom soundtracks. Watch saved replays. Make audio, HUD, and controller adjustments.

From Multiplayer

 * Xbox Live - Compete against other drivers from around the world. Join a Car Club.
 * Split Screen - Race head to head against another player.
 * System Link - Connect up to eight Xbox consoles on a network or hub.
 * Scoreboards - See who has the fastest times on Xbox Live.

From Free Run

 * Hot Lap - Practice with any car on any circuit track. Race unlimited numbers of laps.
 * Autocross - Practice with any car on any autocross track. Race through cone gates. Your time is penalized for missing gates and hitting cones.
 * Point to Point - Practice with any car on any point-to-point track. Race one-way from location to location.

From Options

 * Audio Options - Adjust vehicle, environment, and music volume. Change Xbox Live voice options.
 * Soundtracks - Select or modify audio soundtracks.
 * HUD/UI Options - Adjust how information is displayed in your HUD. Select between English and Metric units.
 * Controller Options - Select and modify controller layouts.
 * Replay Theatre - View and manage previously saved replays.
 * Credits