Mass Effect 2

On the edge of known space, entire human colonies have vanished. Once again Commander Shepard must step in, this time to repel the alien abductors, but he can't do it alone. Shepard calls on Cerberus, a ruthless organization dedicated to human survival at all costs. Faced with a common enemy, Shepard and Cerberus unite, assembling an elite squad of fighters from throughout the galaxy. As they board the most powerful ship ever built, this newly formed crew carries with it the hopes of every last human.

Designed to help introduce the rich Mass Effect fiction to all-new players, the demo features the first two missions of the game as well as one bonus mission, totaling over 90 minutes of gameplay.

This is the second part of the story.You are on a spaceship in a futuristic age.A lot of technology is involved.Your ship is destroyed and you need to do all kind of tasks to win and to defeat all forces.Play with modern weapons.You have a tutorial and step by step advices about how to play,design is great,but items could be accessed better.