Room 40
Developed by Silhouette Valley Games · Published by Silhouette Valley Games
At a glance
Overview
A free to play, indie game by Silhouette Valley Games, published by Silhouette Valley Games — single-player.
Steam’s own one-line description: “Room 40 is a puzzle game about learning to decipher and decode secret messages. Learn to break various methods of encryption used throughout history. Starting with basic methods used in ancient Greece and the advancement of these methods all the way through to complex ciphers used in WWII.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Room 40.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows 7/8/8.1/10 (32bit/64bit)
- Processor: Intel Core 2 Duo or equivalent or greater
- Memory: 4 GB RAM
- Graphics: One with OpenGL support
- DirectX: Version 9.0
- Storage: 400 MB available space
- Additional Notes: Resolution of 1280×768 or greater
Supported languages (1)
Room 40 FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Room 40?
Steam classifies Room 40 as a Free To Play, Indie game, developed by Silhouette Valley Games. Room 40 is a puzzle game about learning to decipher and decode secret messages. Learn to break various methods of encryption used throughout history. Starting with basic methods used in ancient Greece and the advancement of these methods all the way through to complex ciphers used in WWII.
Is Room 40 free to play?
Yes — Steam lists Room 40 as Free to Play.
Is Room 40 single-player or multiplayer?
Steam lists these modes for Room 40: Single-player. It lists a single-player mode.
Is Room 40 on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Room 40 for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Room 40 out yet?
Yes — Steam lists a release date of Jul 31, 2019.
What platforms is Room 40 on?
Room 40 is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Room 40 single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Room 40 cost?
It's free to play, per Steam.
Does Room 40 have achievements?
Yes — Steam lists 21 achievements for Room 40.
Who made Room 40?
Room 40 is developed by Silhouette Valley Games and published by Silhouette Valley Games.
Where to get Room 40
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Silhouette Valley Games.