About An Altered State

An Altered State is a Simulation, Indie, and Casual game developed by Puppetmasta Games. On 3/20/2026, it was released on the Steam Store by Puppetmasta Games.

It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.

According to Steam’s category system, An Altered State supports the following features:

• Single-player
• Save Anytime
• Custom Volume Controls
• Mouse Only Option
• Stereo Sound
• Family Sharing
• Keyboard Only Option

From the Steam community, An Altered State has been tagged with the following user tags:

• Atmospheric
• Visual Novel
• Narration
• Simulation
• Horror
• Choose Your Own Adventure
• Software
• Indie
• Singleplayer

Media & Sceenshots

Watch the featured video for An Altered State and see the latest screenshots from the Steam Store.

An Altered State DLC

An Altered State has 1 related app available for download from the Steam store.

Image	Name	Type	Release Date	Actions
	An Altered State Soundtrack	Music	3/20/2026	Steam Charts

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Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.

An Altered State data has been sourced from:

• Valve Corporation. (2026, March 20). An Altered State on Steam. Steam Store.
• Valve Corporation. (2026, March 20). An Altered State. Steam Community Hub.