Contra

Description:
In Contra, the world has been invaded and only two soldiers stand between the alien menace known as Red Falcon and the total annihilation of humanity. Lance and Bill, two veteran Special Ops soldiers, must fight their way through jungles, steel fortresses, and frozen tundra to rid the world of Red Falcon and all its minions.

Using high-tech weaponry such as the Mini Laser, the Fireball, and the dreaded Spread Gun, it's time to teach some alien scum not to mess with Earth. Enhanced for Xbox Live Arcade, the new version of Contra includes online multiplayer to play with your friends, leaderboards to go for your best score, achievements, updated graphics, and new sound effects .

New visuals: Enjoy enhanced artwork including rendered new bullet effects and explosions.

New sounds: Experience the fresh sound effects and tunes.
New modes: Battle co-op with a buddy over Xbox Live.
Classic action: Play through eight levels of ever-increasing challenge and excitement.