"StarCraft II: Wings of Liberty" is single and multi-player strategy game where you face off against opponents in space. You must fight to defend your territory from the Zerg, Protoss and Terran races. The single-player campaign allows you to play the game on your own and gain achievements. You earn achievements by completing optional goals during the campaign. Achievements unlock extra features, such as profile pictures and medals. A new campaign may be started from the main menu of "StarCraft II."
Instructions
1
Click the "Single Player" button.
2
Click the "New Campaign" button, near the bottom of the screen.
