Monsters vs. Aliens (DS) - Pre-Owned

"Battle through locations from the movie and beyond - Adventure across 20 distinct levels set in locations from the film and beyond, including the streets of San Francisco, Gallaxhar's gargantuan spaceship, and the government's super-secret monster containment facility! Play as a team in co-op mode - A second player can pick up a controller and drop in at anytime as Dr.

Cockroach Ph.D.

As the most brilliant scientist in the world, players can blast apart robots, toss away enemies, plus grab hard-to-reach upgrades and other rewards."