Indie Game “Million Depth” Set for Release on November 12, 2025, Published by PLAYISM

Leading indie game publisher PLAYISM (website: https://playism.com/cn/) officially announced that the deep-sea descent action-strategy game Million Depth (PC version), developed by Japanese studio Cyber Space Biotope, will be released globally on November 12, 2025. Blending deep-sea exploration, resource management, and high-speed combat, the game aims to deliver a unique strategic experience within a vertical dimension.

Game Overview: Dive into the Unknown Abyss

Set in a fictional extreme deep-sea environment, Million Depth places players in the role of an explorer piloting a specialized submarine, descending continuously into the ocean’s deepest depths. Players must respond in real-time to threats such as water pressure, freezing temperatures, darkness, and mysterious creatures, while collecting resources, upgrading equipment, and unraveling a narrative that reveals the secrets of ancient civilizations and cosmic truths hidden beneath the 10,000-meter-deep abyss.

Core Features and Gameplay

• Vertical Dimension Strategy: Unlike traditional horizontal exploration, the game centers on “descent” as its core mechanic, with depth directly impacting environmental difficulty, resource distribution, and enemy behavior.
• Dynamic Pressure System: Deep-sea pressure changes in real-time based on depth, requiring players to reinforce their submarine’s hull, release pressure chambers, and balance survival with exploration.
• Creature Symbiosis Combat: Some deep-sea organisms can be tamed or lured to combat hostile creatures or solve environmental puzzles.
• Non-Linear Narrative: The story is pieced together through fragmented logs, sonar signals, and decoded ruins, with multiple endings determined by descent choices and resource allocation.

Art Style and Technical Highlights

The game employs a visual style combining low-poly aesthetics with neon lighting effects, using dynamic光影 (lighting) and particle systems to create a sense of deep-sea claustrophobia and unknown terror. The sound design features a physics-based sonar feedback system with support for 3D spatial audio, further enhancing immersion. The development team has confirmed full controller support and ultrawide screen compatibility, with optimizations ensuring smooth performance on lower-end hardware.

Million Depth

■ Developer: Cyber Space Biotope

■ Publisher: PLAYISM

■ Platform: Steam

■ Release Date: November 12, 2025

■ MSRP: TBD

■ Genre: Deep-Diving Action Strategy

■ Supported Languages: Japanese, English, Traditional and Simplified Chinese

About Cyber Space Biotope

Cyber Space Biotope is a Tokyo-based indie game studio founded in 2022 by former Konami programmer Tatsuya Takahashi and artist Ayane Morishita. The team specializes in integrating biological concepts with game mechanics, with their previous experimental title Eco Chain having received a nomination for Best Design at the 2023 Independent Games Festival (IGF).

Publisher’s Perspective

PLAYISM’s China Publishing Manager commented: “Million Depth’s innovative vertical gameplay and clever integration of deep-sea themes perfectly align with PLAYISM’s vision of supporting original indie games. We believe this title will bring unprecedented challenges and surprises to strategy game enthusiasts.”

Million Depth is now available for wishlisting on Steam. Pre-orders will begin in October 2025, and the initial release will include interface and subtitles in 12 languages, including Simplified Chinese, Japanese, and English.