Introduction to Metal Slug 3
Metal Slug 3 is an action-packed side-scrolling shooter developed by SNK. This game challenges players to navigate through various environments, engaging a wide array of enemies with diverse weaponry and vehicles. The primary objective is to stop General Morden's plan for a new world order.
This manual provides essential information to help you understand the game's mechanics, controls, and how to maintain your game disc for prolonged enjoyment.

The official box art for Metal Slug 3 on the Xbox console, featuring character Marco Rossi and a Metal Slug tank in action.
Setup
Follow these steps to begin playing Metal Slug 3 on your Xbox console:
- Insert the Game Disc: Gently insert the Metal Slug 3 game disc into your Xbox console's disc drive with the label facing up.
- Power On: Turn on your Xbox console and television.
- Start Game: The game should automatically start. If not, navigate to the "Play Disc" option on the Xbox dashboard and select Metal Slug 3.
- Controller Connection: Ensure your Xbox controller is properly connected and powered on.
For optimal performance, ensure your Xbox console's system software is up to date.
Gameplay Overview
Metal Slug 3 features intense run-and-gun action across five challenging stages. Players can choose from characters Marco, Tarma, Eri, and Fio, each embarking on a mission to thwart General Morden.
Weapons and Items
Throughout the game, various power-ups and weapons can be collected to enhance your firepower. These include:
- Handguns: Standard starting weapon.
- Machine Guns: Rapid-fire weapon for sustained damage.
- Grenades: Explosive projectiles for area damage.
- Cannons: Powerful, slow-firing weapons.
- Other specialized weapons may be found as you progress.
Attack Vehicles (Slugs)
Players can utilize various attack vehicles, known as "Slugs," to gain increased firepower and defense capabilities. These include:
- Metal Slug: The iconic tank, offering robust defense and a powerful cannon.
- Camel Slug: A camel equipped with a cannon, often found in desert stages.
- Rebel Armor: A heavily armored suit for enhanced protection.
- Slug Mariner: A submarine designed for underwater combat.
- Ostrich Slug: A fast-moving ostrich with mounted weaponry.
- Discover all 10 models for varied combat experiences.

A gameplay screenshot from Metal Slug 3 depicting a character riding a Camel Slug in a desert environment, firing at enemy soldiers and a military truck.
Exploration and Routes
The game features alternate routes and "Crossroad Entrances" on each level, encouraging exploration and offering different paths to complete stages and discover secrets.
Enemies
Encounter a diverse range of adversaries, from standard enemy soldiers to unique creatures such as crab-like monsters, giant locusts, zombie souls, and frogmen. Each stage presents new and challenging foes.

A screenshot from Metal Slug 3 showing a character swimming underwater, engaging jellyfish-like enemies and a large aquatic boss creature.

A dramatic screenshot from Metal Slug 3 showing a character on top of a large, organic-looking boss creature with exposed brains, set against a fiery red sky.
Controls (Xbox Controller)
The following are the standard controls for Metal Slug 3 on the Xbox console. Specific button assignments may vary slightly based on in-game settings.
| Action | Xbox Button |
|---|---|
| Move Character | Left Analog Stick / D-Pad |
| Jump | A Button |
| Shoot / Attack | X Button |
| Throw Grenade | B Button |
| Enter / Exit Vehicle | Y Button (when near a Slug) |
| Special Attack (in Slug) | X Button (in vehicle) |
| Pause Game | Start Button |
Maintenance
Game Disc Care
Proper care of your game disc ensures its longevity and reliable performance:
- Handle with Care: Always hold the disc by its edges to avoid touching the playing surface.
- Keep Clean: If the disc becomes dirty, gently wipe it with a soft, lint-free cloth from the center outwards. Do not use abrasive cleaners or solvents.
- Storage: Store the disc in its original case when not in use to protect it from dust, scratches, and direct sunlight.
- Avoid Extreme Conditions: Do not expose the disc to extreme temperatures or humidity.
Console Maintenance
- Ensure your Xbox console is placed in a well-ventilated area to prevent overheating.
- Keep the console's disc drive free from dust and debris.
Troubleshooting
Game Not Loading or Freezing
If you encounter issues with the game not loading or freezing during gameplay, consider the following:
- Check Disc Condition: Inspect the game disc for any visible scratches, smudges, or dirt. Clean the disc if necessary (refer to Maintenance section).
- Restart Console: Power off your Xbox console completely, wait a few seconds, and then power it back on.
- Reinsert Disc: Remove the disc and reinsert it carefully into the disc drive.
- Try Another Game: If other games load and play correctly, the issue might be specific to the Metal Slug 3 disc.
- Console Updates: Ensure your Xbox console's system software is fully updated.
Controller Issues
- Check Connection: Ensure your controller is properly connected (wired) or has fresh batteries and is synced (wireless).
- Test Other Games: Verify if the controller works correctly with other games.
If problems persist, consult your Xbox console's user manual or manufacturer's support resources.
Specifications
Key technical details for Metal Slug 3 on Xbox:
| Feature | Detail |
|---|---|
| Genre | Action |
| Platform | Xbox |
| Players | 1 or 2 Locally |
| Language | English |
| Rated | Teen |
| Item Model Number | 828862500021 |
| ASIN | B0001HAI3G |
| Manufacturer | SNK Playmore |
| Date First Available | March 11, 2004 |
Warranty and Support
As this product is a pre-owned item, specific manufacturer warranty information may not apply. Please refer to the retailer's return policy for details regarding pre-owned goods.
For technical support related to your Xbox console or its accessories, please contact Microsoft Support or refer to your console's official documentation.
For general inquiries about Metal Slug 3 gameplay, online communities and fan wikis can be valuable resources.