To continue the mass effect of the Mass Effect game, “Mass Effect 2” has been developed to continue this never-ending war story. The game takes place in the galaxy in the 22nd century, which is covered by a mutant insect called Collector. Players will be incarnated into the Commanding Shepard character to prevent the ongoing destruction on their living planet. Players will be provided with a set of heavy weapons including ammunition and health support items at the beginning of the game. The task of the player is to ưưWatch and Shoot down enemies in the play area to earn Squad points to unlock strength levels for the character.