The Signal State
Released Sep 2021
Set in a post-apocalyptic future, The Signal State puts your logic skills to the test with complex puzzles inspired by modular synthesizers. Repair machines, rebuild an abandoned farm, and be part of a revolution that will change the fate of agriculture once and for all.
86% positive · 681 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam $19.99 Green Man Gaming Steam key $19.99
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Evaluation
The Signal State launched on September 23, 2021. At launch, the developer announced plans for a level editor workshop and a sandbox mode as post-launch goals. Both were delivered: the Puzzle Workshop arrived on February 10, 2022, and the Sandbox Mode shipped as a free update on August 18, 2022. These two updates represent the full scope of post-launch content the developer committed to.
Since the Sandbox Mode shipped in August 2022, there have been no further feature updates or content announcements — only a security patch in October 2025 to address a Unity engine vulnerability. That patch was purely a maintenance fix with no new content. No roadmap, DLC, or future plans have been communicated since August 2022. There are no unreleased DLC items on the store, and the developer has not indicated any additional content is planned.
The game appears to have reached its intended complete state with the delivery of the Sandbox Mode in August 2022. The security patch in October 2025 shows the developer is still maintaining the game for stability, but there is no signal of new content development.
Evidence
Sandbox Mode launched as a free update, fulfilling the second and final post-launch content commitment announced at release.
Puzzle Workshop launched as a free update, fulfilling the first post-launch content commitment.
Media
Details
Developer
Publisher
iterco
Achievements
15
Platform
Windows, macOS
Controller
—
Steam Deck
Playable
Players
Single-player
About this game


Keep the signal alive
Manipulate inputs by using unique modules and patching cables via a simple drag-and-drop system.
Make your mark
Prove yourself as the best machine whisperer by completing more than 40 puzzles and competing in our leaderboards.
Control the interface
Customize it to your preference with color palettes for cables and 3 different cable rendering styles.
Let it synth in

Take immersion to the next level with designs by Papernoise, who has designed modules for Mutable Instruments, Hexinverter, WMD, etc.
Experiment in sandbox mode
A free-for-all playground without any constraint. Let your imagination go wild.
Create your own puzzles
Try out our puzzle designer or access other players' creations via Steam Workshop.
Last evaluated Jun 23, 2026
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