UNDERTOW

Navigate your submersible through the ocean depths.
Avoid detection by deep-sea creatures and sentries.
Collect crystals and distill them into upgrades.
Split power between Cloak, Sonar, and Thrusters.
Momentum carries you — plan your drift carefully.

Desktop: Click tiles or WASD to move | 1-2-3 to adjust power
Mobile: Tap tiles to move | Tap power bars to adjust