Naval Warfare (Steam key).

http://store.steampowered.com/app/98500/
In a fantasy world of Victorian architecture, war is raging between the industrial superpowers. As Commander of a Naval Super-Destroyer, it is your duty to destroy the enemy´s mighty Boss Units in a military campaign of epic proportions in, under and above the surface. If you are to emerge victorious from a variety of challenging scenarios, you must lead your troops against wave after wave of massive attacks from ships, planes and gigantic Special Forces.
Key features:
Destructive: Powerful weapons with many lethal upgrades
Comprehensive: Great variety of enemy units with ships, submarines, planes and futuristic vehicles
Explosive: Challenge your friends in the immensely variable multi-player mode or play alongside them against the PC in Co-operational Mode
Impressive: An exciting story-line plus sensational graphics with incredible effects and stylish cut-scenes guarantee maximum enjoyment.