Marine Hearts: Deep-Sea Bullet Hell FPS with Time Manipulation

8/31/2026, 2:35:19 AM

Release date: 5/8/2023

Tags: #underwater #time-manipulation #action #fps #3d-platformer #shooter #singleplayer #3d

Reference prices

Japan

¥ 600 (JPY)

Steam JP

$4.99 (USD)

Steam

Live Store Snapshot

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Japan Price: ¥ 600
Global Price: $4.99
Price in Your Region: ¥ 600Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 31 Aug 2026
Sale Status: Regular pricing
Price Checked At: 8/31/2026, 2:30:10 AM

Key highlight

Marine Hearts is a deep-sea, omnidirectional bullet-hell FPS where players collect Marine Hearts while dodging enemy attacks. It features a unique time-manipulation mechanic, freezing time when stationary to help players

Who this is for

Dive into a unique underwater world with Marine Hearts, an action shooter that masterfully blends its deep-sea setting with an innovative time-manipulation mechanic. The strategic element of predicting and freezing time to evade attacks is highly addictive.

Details

Overview

Dive into the crushing depths with Marine Hearts, a unique first-person shooter that blends intense underwater action with mind-bending time manipulation mechanics. Developed and published by SandFish, this title plunges players into a vibrant, yet perilous, deep-sea environment where survival depends on quick reflexes and strategic use of temporal abilities.

Highlights

Deep-Sea Bullet Hell: Experience a frantic, omnidirectional shooter set entirely underwater, challenging players to dodge relentless barrages of enemy fire.
Time Manipulation Mechanic: A core gameplay feature allows players to stop time while stationary, providing crucial moments to assess incoming attacks and plan their next move.
Action-Packed FPS: Marine Hearts delivers a thrilling 3D platformer and shooter experience, focusing on fast-paced combat and environmental navigation.

Who It's For

Marine Hearts is designed for players who enjoy fast-paced action games, particularly those with a penchant for bullet-hell shooters and innovative mechanics. Fans of FPS titles looking for a fresh setting and a unique twist on combat will find themselves drawn to its deep-sea challenges. The inclusion of 3D platforming elements also appeals to those who appreciate environmental exploration and movement-based gameplay.

Game Info

Marine Hearts offers a single-player experience where players must collect 'Marine Hearts' while fending off a diverse array of marine creatures. Enemy attack patterns are telegraphed by lasers, and the game provides controller vibration and warning sounds to alert players to imminent danger. The ability to freeze time when standing still is a critical tool for survival, allowing for careful observation of the chaotic battlefield. This title was released on May 8, 2023, and supports both Japanese and English languages.