How 2 Escape: Lost Submarine

Two-player escape-room puzzles with separate roles across two devices

Breakfirst Games · Published by Maximum Entertainment, Breakfirst Games · Released Jun 24, 2025

Reviews: Very Positive; 83% of 163
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 10 months ago; Dec 1, 2025
Minimum PC: GTX 660; 4 GB RAM · 2 GB disk; Full requirements

What is How 2 Escape: Lost Submarine?

A cooperative puzzle adventure about finding a missing submarine before a torpedo launch triggers a war. One player explores the submarine and interacts with its surroundings, while the other supplies information from a free companion app on PC or mobile. Only one copy of the game is needed.

For you if...

+you like logic puzzles built around describing symbols and scenes

Not for you if...

−you want both players exploring the same space together

What players say

83% of 163 reviews are positive

Players praise the puzzle design and cooperative problem-solving. Common complaints concern the short length, unclear puzzle instructions, and limited interaction for the companion-app player.

Screenshots and trailer

How 2 Escape: Lost Submarine screenshot 1

How 2 Escape: Lost Submarine system requirements

Minimum: GTX 660, 4 GB RAM, 2 GB of disk space.

As published by the developer.

Can my PC run How 2 Escape: Lost Submarine?

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Minimum

OS: Windows 10
Processor: i3-5500 or more
Graphics: GTX 660 or more
Memory: 4 GB RAM
Storage: 2 GB available space

Does How 2 Escape: Lost Submarine have co-op or multiplayer?

Yes: co-op online. There is no single-player mode. Crossplay with other platforms is declared.

Does How 2 Escape: Lost Submarine run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 28
Steam features: Family Sharing
Languages: Full audio: English, Simplified Chinese. Text only: French, Italian, German, Spanish - Spain, Japanese, Portuguese - Portugal.

Does How 2 Escape: Lost Submarine use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam