Submarine Apocalypse vs Operation WarShell

WW3 has broken out, destroy as many submarines as possible to protect your motherland from all out nuclear war! Use your destroyers AA guns on deck to blast boats, planes and helicopters from the skies. Make sure you avoid getting hit in this hostile environment by mines, bombs, torpedoes and missiles! Use your skills to move the Destroyer into safer waters while dropping depth charges, missiles and other special weapons into the sea where your enemies lurk. Save your homeland from certain nuclear annihilation

Operation WarShell drops you into intense base-defense missions where every shot counts. Command your artillery crew across multiple tactical operations and stop enemy units from reaching and destroying your objective. From moving convoys to armored threats, each wave requires sharp timing, smart weapon choice, and efficient ammo use. Battle through 5 escalating missions with diverse objectives and enemy combinations. Enemies arrive in stages, and some require careful handling to prevent the target from falling. - Three weapon types: unlock and upgrade 75MM Basic, 120MM Mortar, and M982 Excalibur - Ammo + cooldown strategy: manage limited rounds and weapon cooldowns to stay in control - Mission-based progression: complete kill-rate and kill-count goals to unlock new stages and rewards - Tactical variety: targets include infantry, humvees, tanks, jeeps, and heavy support units - Progression system: earn currency from battles, buy weapons, and upgrade for higher damage and better ammo - Clear win/lose stakes: survive all enemy waves or lose if your objective is destroyed or you run out of ammo - Replayable challenges: push for better completion rates, higher rewards, and full mission claims