4 Dark games like X-COM: Terror From the Deep that you should try

What brings it close to X-COM: Terror From the Deep is turn-based strategy, dark, oppressive atmosphere and tactical combat, and the two track each other on game mode, tone and setting. Both also lean on pixel art and a sci-fi setting. The distance is in genre — its own ground is procedural generation.

Shelved next to X-COM: Terror From the Deep for good reason: dark, oppressive atmosphere, melee combat and a sci-fi setting. To that it adds single-player focus and resource management. They part company on combat and tone: this one brings strong narrative focus.

With X-COM: Terror From the Deep it shares deep simulation, dark, oppressive atmosphere and tactical combat. To that it adds horror setting and single-player focus. They part company on genre and tone: this one brings real-time strategy.

The thread back to X-COM: Terror From the Deep runs through dark, oppressive atmosphere, horror setting and single-player focus. To that it adds an isometric view and resource management. They part company on genre and progression: this one brings puzzle design.