Molluscarium: Your Cozy Aquatic Sanctuary & Collector's Dream

9/2/2026, 12:50:15 PM

Release date: 9/2/2026

Tags: #creature-collector #idler #desktop-companion #cozy #relaxing #incremental #collectathon #wholesome

Reference prices

Japan

¥ 690 (JPY)

Steam JP

$5.99 (USD)

Steam Global

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥ 690
Global Price: $5.99
Price in Your Region: ¥ 690-25%Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 3 Sept 2026
Sale Status: On sale
Price Checked At: 9/4/2026, 3:26:17 AM

Key highlight

Molluscarium is a cozy simulation game where you discover and collect over 500 unique mollusc species across nine themed aquatic habitats. Enjoy a relaxing, real-time experience of nurturing your own underwater sanctuary

Who this is for

A perfect choice for players seeking both relaxation and the joy of collection. Cultivating your own beautiful aquarium at your own pace offers a unique escape from daily hustle.

🖥️ Hardware Guide for Comfortable Play

Based on the game's recommended specs, showing a comfortable performance target and example parts (PassMark reference)

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CPU

Game's recommended spec

Intel Core i5 2.5 GHz (or equivalent AMD)

Comfortable play target

15,600 pts(~130% above spec of 12,000 pts)

Parts near this range

ARM - 12 Core 0 MHz15,636 pts AMD Ryzen 7 16015,643 pts Intel Core i3-1220PE15,664 pts

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GPU

Game's recommended spec

Intel HD Graphics 4000 / NVIDIA GeForce GTX 650 (or equivalent)

Comfortable play target

442 pts(~130% above spec of 340 pts)

Parts near this range

GeForce 9800 GT440 pts Mobility Radeon HD 5650439 pts GeForce 710M437 pts

* Scores are reference values. Actual performance varies by in-game settings, resolution, and system environment.

Build a PC to match this performance → BTO Guide

Details

Overview

Welcome to Molluscarium, a delightful indie simulation game where you cultivate your very own underwater paradise. This cozy experience invites players to discover, nurture, and grow an astonishing collection of over 500 unique mollusc species. Set against the backdrop of sun-warmed rocks, rippling waters, and vibrant coral, Molluscarium offers a tranquil escape into the wonders of marine life.

Highlights

Vast Collection: Discover and collect over 500 unique mollusc species, each with distinct rarity tiers and stunning visual variants like Painted, Golden, and Rainbow.
Themed Habitats: Build and expand your mollusc sanctuary across nine richly themed aquatic environments, including Garden, Tidepool, Freshwater, and Coral Reef packs.
Relaxing Simulation: Enjoy a peaceful, real-time experience of nature's quiet wonder, from the hatching of tiny eggs to the growth of majestic octopuses.

Who It's For

Molluscarium is perfect for players who enjoy relaxing simulation games, creature collection, and idle or incremental gameplay. If you're looking for a wholesome, cozy experience to unwind with, this game offers a charming and engaging way to build your ultimate mollusc library.

Game Info

Developed and published by PiqFocus Interactive, Molluscarium is a single-player simulation game released on September 2, 2026. It features Steam Achievements and custom volume controls, supporting a wide array of languages. The game is designed to be a peaceful, engaging experience for players of all ages.