Sqoon

Dolphin Blue

Set in a water‑logged wasteland, Dolphin Blue lets you choose between Ann, a royal soldier, or Erio, a daring arms dealer. Both heroes battle through ruined cities and submerged ruins to protect what remains of Earth. The game combines fast‑paced shooting, cooperative play, and striking graphics to keep you on the edge of your seat as you fend off the empire’s forces across a flooded world.

AquaNox

AquaNox is an action-packed underwater sci-fi simulator where the peaceful oceans have transformed into a realm of horrific danger and violence. Players pilot heavily armed submersibles through dark abysses, battling hostile factions and surviving treacherous depths. Combining intense first-person shooter mechanics with vehicular simulation, the game challenges players to complete dangerous missions, upgrade their arsenal, and navigate the hostile underwater environment where the water is never calm.

Deadly Tide

In Deadly Tide, players command a high‑tech "Hydra" sub‑fighter to battle hostile aquatic aliens threatening to flood Earth. Set in 2445, the single‑player shooter blends point‑and‑click navigation with pre‑rendered underwater action as you traverse oceanic stages and cutscenes.\nThe game challenges you to complete missions across diverse sea locations, fending off alien forces while the ocean rises. Developed by Rainbow Studios and published by Microsoft, this 1996 PC title offers a sci‑fi thriller experience for ESRB‑E audiences.

N-Sub

N-Sub puts you in the captain’s seat of a lone submarine, navigating the cobalt‑blue sea with a joystick to hunt down enemy ships. Fire torpedoes vertically or horizontally, chain shots, and survive waves of missiles, torpedoes and depth charges. Each round escalates as twelve enemy ships and a destroyer attack with increasing ferocity, rewarding precision with bonus points and extra subs for high scores. The game ends when all your subs are sunk, delivering a pure retro arcade challenge.