Crush Depth
Underwater Tower Defense
Enemy submarines are flooding the channel. Build your defenses, hold the depth line, and stop them before they breach the harbor. Ten maps. Twenty waves. No mercy.
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Depth Cannon
Balanced firepower
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Torpedo Battery
Rapid fire
✶
Sonar Beam
Long-range devastation
Strategic Placement
Position towers to control submarine routes. Block paths, create kill zones, and upgrade to overpower tougher waves.
Leviathan Bosses
Every ten waves, a massive boss submarine surfaces. Heavily armored and worth a fortune if you can sink it.
10 Campaign Maps
From the tutorial shallows of Harbor Mouth to the final gauntlet of Crush Depth. Each map demands a new strategy.
5-Tier Upgrades
Pour gold into your towers to increase range, damage, and fire rate. Choose wisely — resources are scarce.
Available for iPhone and iPad