Metal Slug 3 is a run-and-gun arcade game known for its fast-paced action and humorous, over-the-top gameplay. Players control soldiers battling through enemy forces, using a variety of weapons and vehicles. The game features diverse levels, boss fights, and co-op multiplayer. Its pixel art style and classic arcade mechanics contribute to its enduring appeal. Known for its challenging gameplay and entertaining design, it offers a nostalgic experience for fans of the genre.