Updated 2026-10-13 · Sublustrum Wiki · 39 guides
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Sublustrum is a first-person psychological horror adventure by Phantomery Interactive — a full Unreal Engine 5 remake of the 2008 cult classic Outcry. Track the release date, join the Steam playtest, watch the trailer and explore the Flickering World.

•Phantomery Interactive
•Psychological Horror Adventure
•Unreal Engine 5
•Fall 2026
Release Date Playtest Details

About Sublustrum — Story, Setting & the Flickering World

Sublustrum is a first-person psychological horror adventure developed by Phantomery Interactive and published by Brickworks Games. Built in Unreal Engine 5, it is a complete remake of Outcry (released in Russia and Poland under this title), the 2008 cult adventure that won Best Adventure Game and Best Sound at the KRI Awards.

You play as a writer investigating the mysterious disappearance of your scientist brother, who left behind a strange machine. Repairing it pulls you into the Flickering World — a surreal realm where memory, sound and dreams intertwine. The entire setting is one giant musical instrument that must be tuned, and sound-driven puzzles are at the heart of the experience. Inspired by Jungian psychology and Kafkaesque fiction, the game explores grief and letting go.

Developer
Phantomery Interactive
Publisher
Brickworks Games
Engine
Unreal Engine 5
Genre
Psychological Horror Adventure
Platforms
PC (Steam) + Consoles
Release
Fall 2026 — price to be announced

Your Sublustrum Wiki

Start Here

Release Date

Fall 2026 launch window, the conflicting PS5 Q1 2027 claim, and what is still unannounced.

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Start Here

Playtest

The Steam Playtest is live with open sign-up — how to join and what to expect.

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Sublustrum Guides: Release Date, Playtest & Gameplay

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Explore This Sublustrum Wiki

Find the release information and playtest details covered by this wiki on the release-date page and playtest page.

Browse the guides index, visit the game guide, or open the walkthrough to see the topics currently covered.

Frequently Asked Questions

Where should I start with Sublustrum?

Start with our game guide, then use the walkthrough when you need help.

Where can I find Sublustrum tips?

Browse the guide tips page for the tips covered by this wiki.

Where can I find release information?

See the release-date page for the release information currently covered by this wiki.

Where can I find more guides?

Browse the guides index to find the topics covered by this wiki.

Sublustrum Release Date — Fall 2026 Window Explained

Sublustrum does not have a single locked street date yet. The page you are reading tracks the Fall 2026 release window announced for the Unreal Engine 5 remake, and it is refreshed whenever Phantomery Interactive or publisher Brickworks Games share a new date. The Steam playtest is the other milestone to watch: playtest access lets a small group of players step into the Flickering World early, and every playtest round so far has been announced on the game's official Steam hub first. Bookmark this Sublustrum wiki and check the release date section above whenever a trailer drop or playtest email lands — the update stamp at the top of the page shows the last time our editors verified anything.

Sublustrum Gameplay — What Kind of Horror Game Is It?

Expect first-person psychological horror adventure pacing rather than action: you play a writer reconstructing the disappearance of your scientist brother through the strange machine he left behind, and repairing it pulls you into the Flickering World, a surreal mirror of reality. Because the game is a full Unreal Engine 5 remake of the 2008 cult classic Outcry (the KRI Awards winner for Best Adventure Game and Best Sound), veteran players can expect puzzle-led exploration, atmospheric sound design and a story told without combat filler. Our Sublustrum tips cover how to prepare for that pacing — what to try in the playtest, how the remake compares to the original Outcry, and which platform the Fall 2026 release targets first.