STORM - Frontline Nation includes two different game modes: Campaign and Skirmish

Campaign - Two strategic campaigns are available; one where you can choose to play as one of Germany, France, Russia, United Kingdom or United States in a story driven experience, and one where you can play as one out of 45 countries.
Skirmish - In this game mode a single combat is played. Several parameters for the combat can be customized, including money, light-cycle, weather and technology level.

Features:

45 nations, more than 500 regions and more than 100 cities offer an unbelievable scope for the game
Modern warfare on water, land and in the air, in a classic hexfield style
Depending on the situation new challenges arise and units can be supplied individually with weapons and commands
Spies and special forces can infiltrate enemy lines in secret-ops carrying out sabotage and decoy activities
Research, development and deployment of powerful weapon systems
Different game modes such as Campaign or Skirmish
Comprehensive multiplayer mode ensures long-lasting gaming enjoyment