Submarine Titans

Submarine Titans is a real-time strategy video game set in the year 2115, after a comet has struck Earth and brought two human factions, the militant Great White Sharks and the scientific Black Kraken, to establish underwater bases and fight for dominance over the oceans. The comet also brought with it a mysterious alien ethnicity, the Silicons, who are competing with the two human factions for resources and the construction of a gateway to take them back to their homeworld. Each faction has its own campaign with ten missions, and the player can play the three campaigns in any order.