Underwater World: Idle Desktop Colony Building Simulator

9/10/2026, 5:05:06 AM

Release date: 9/9/2022

Tags: #underwater #simulation #base-building #idler #colony-sim #strategy #atmospheric #survival

User Reviews

Score: 65%Mixed
Review Count: 23 reviews
Fetched At: 9/10/2026, 5:05:06 AM

Reference prices

Japan

¥ 580 (JPY)

Steam JP

$4.99 (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: ¥ 580
Global Price: $4.99
Price in Your Region: ¥ 580Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 18 Sept 2026
Sale Status: Regular pricing
Price Checked At: 9/17/2026, 3:40:18 AM

The price snapshot and review snapshot differ by about 167 hours. Because they are not always refreshed at the same time, confirm the latest Steam listing before making a purchase decision.

Key highlight

Build and manage an underwater civilization in this atmospheric colony simulator. Features diverse building options and a raw material extraction system for strategic growth.

Who this is for

Recommended for players seeking a unique experience in building their own colony within an underwater world. Manage resources and strategically place buildings to develop your personal underwater city.

Details

Overview

Underwater World invites players to dive deep and establish a thriving civilization beneath the waves. This simulation game focuses on construction, resource management, and strategic expansion, offering a unique take on the colony-building genre.

Highlights

Features a wide variety of buildings to construct, allowing for diverse colony designs.
Includes a robust raw material extraction system, crucial for technological and societal development.
Offers an atmospheric and engaging underwater setting for strategic base building.

Who It's For

This game is ideal for players who enjoy meticulous construction projects, strategic resource gathering, and the satisfaction of watching a settlement grow. Fans of idle games and colony simulators looking for a fresh, aquatic theme will find much to appreciate.

Game Info

Developed and published by Overlay Games and AnretanDEV, Underwater World is a paid title released on September 9, 2022. It supports multiple languages, including English, Japanese, and Simplified Chinese. The game is playable on PC and features multiplayer support, Steam Achievements, Steam Cloud, and Steam Feature 25. While the user reception is mixed, the core gameplay loop revolves around building, managing resources, and expanding your underwater domain.