Steel Horizon is a turn-based strategy game for the Nintendo DS rooted in naval warfare, blending elements of tactical thought and action sequences. Set during World War II, players command a fleet of various ships, engaging in intense sea battles against enemy forces. The game features a single-player campaign, where strategic thinking is essential to outmaneuver and outgun the opposition. As players progress, they can upgrade their armada, balancing firepower, speed, and armor. Steel Horizon's genre merges historical strategy with war simulation, offering a portable naval command experience.