Impressive. Most impressive.G 15

To unlock this achievement you need to play the Battles Missions either on your own or with a Co-Op partner. Each Battle Mission has objectives that need to be completed in order to gain a star, like collect all 5 collectibles on the map or complete the level on one of the three difficulties. Complete a total of five objectives across the different levels and this achievement will be yours.

It should be notes that Hero battle missions do not count toward this achievement.