Normandy: Alone in the Storm Exp Essentials:

• No. of players: 1 - 2
• Playing time: 120 minutes
• Age: 16

Normandy: Alone in the Storm Exp - Rules of Play says:

Alone in the Storm (AITS) provides an exciting and new game experience for newbies and veteran players of War Storm Series games, because this expansion pack includes 2 game modes: solitaire game and semi-cooperative game mode.