Submorse

First-person Morse code learning game set inside a submarine

Team Monumental · Released Mar 31, 2021

Reviews: Very Positive; 92% of 225
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 5 years ago; Aug 15, 2021
Minimum PC: GTX 650; 4 GB RAM · 0.5 GB disk; Full requirements

What is Submorse?

Submorse is a free, single-player learning game viewed in first person from inside a submarine. You learn Morse code through a beginner tutorial, practice characters, words, or sentences you choose, and attempt time trials without hints for a place on a global leaderboard.

For you if...

+you enjoy repetition and memorization as the main activity
+you like testing your speed against other players' records

Not for you if...

−you want a submarine adventure with a story to follow

What players say

92% of 225 reviews are positive

Players praise the exercises for helping them learn the Morse alphabet quickly. Recurring requests include listening-comprehension training and more material to practice.

Screenshots and trailer

Submorse system requirements

Minimum: GTX 650, 4 GB RAM, 0.5 GB of disk space.

As published by the developer.

Can my PC run Submorse?

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Minimum

OS: 64 bit Windows 7+
Processor: Quad core
Graphics: GTX 650
Memory: 4 GB RAM
Storage: 500 MB available space
DirectX: Version 11

Does Submorse have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Submorse run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Sometimes shows mouse, keyboard or non-Deck controller icons
Some text entry requires manually opening the on-screen keyboard
All functionality is accessible with the default controller configuration
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: Keyboard and mouse
Platforms: Windows
Achievements: 1
Steam features: Family Sharing
Languages: Text only: English.

Does Submorse 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