You are the exploration team from company PhaseSync, you arrive to reported anomaly place and searching for anomalies, but what would you find? Prepare yourself for a gripping and heart-pounding adventure in EXPEDITION TO THE BACKROOMS, where every step could be your last.
EXPEDITION TO THE BACKROOMS
EXPEDITION TO THE BACKROOMS is an atmospheric exploration game focused on wandering through quiet, unsettling environments.
Inspired by the Backrooms internet horror phenomenon, the game takes players through strange and isolated spaces hidden beyond reality. Explore abandoned office areas, flooded complexes, and other unnatural environments connected by the endless maze of the Backrooms.
UNIQUE ENVIRONMENTS
Explore a variety of large-scale locations with distinct visual styles, atmosphere and gameplay.
Each area offers its own sense of scale, isolation, and mystery, ranging from familiar office spaces to surreal and impossible architecture.
ATMOSPHERIC VISUALS
Built with a strong focus on lighting, materials, scale, and immersive sound design.
Experience detailed liminal environments designed to feel quiet, believable, and deeply unsettling.
ENCOUNTER ENTITIES
You are not alone inside the Backrooms.
The game currently features 3 entities with different behaviors. Some may ignore your presence, while others react to movement, sound, or exploration.
EXPEDITION STORY
Play as part of an PhaseSync research expedition investigating anomalous locations connected to the Backrooms.
Discover abandoned equipment, traces of previous expeditions, and evidence that something went wrong long before your arrival.
CO-OP
Explore the Backrooms alone or together with other players.
Work together to navigate unfamiliar spaces, search for clues, and survive encounters inside the anomaly.
よくある質問
Steamストア(JP)でのEXPEDITION TO THE BACKROOMSの価格は¥ 700です。2026年9月22日以降に当サイトが記録した最安値は¥ 700です。Steamではこのゲームに14地域で個別の価格が設定されています。地域別の価格は上記のとおりです。
EXPEDITION TO THE BACKROOMSは2025年7月20日に1_Cutter_1からリリースされました(Steamでの配信開始から1年)。