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Observation Protocol

発売済み

Pulsar One掲載日 Sep 13, 2026

About the game

外部の監視所から、境界的なオフィス空間に異常がないか監視する一人称視点のサイコロジカルホラーゲーム。停電が起きた場合、プロトコルに従って中へ入り、内部から任務を続行しなければならない。そこにいるのは、あなただけではない。

Steamの原文説明

Observation Protocol is a first-person psychological horror game about working a shift at a place scheduled to stop existing.

You're stationed at an external monitoring post assigned to a liminal office space. It's a facility that exists outside of normal space, discovered and monitored by an organization that has now scheduled the passage to be permanently closed.

Your task is straightforward: watch the camera feeds, identify discrepancies, and photograph what you find.

REMOTE MONITORING:

Then the power cuts.

Monitoring equipment goes dark, and protocol has an answer for that too: go in.

You're issued a camera. There is no door. The wall ahead phases out, and you step through into the space you've been watching from outside. Same offices, same corridors. Except now you're inside them instead of watching a feed of them.

You're not alone in there.

ON SITE:

You have until 6 AM. Photograph every discrepancy you encounter, then make it back through the entrance before the organization closes the passage.

Stay past 6 and you're stuck inside when it does.

There's no saving mid-shift. Each session runs about thirty minutes, start to end.

A liminal horror experience. PSX aesthetic. First person. Singleplayer. No checkpoints.

体験版と発売について

現在の確認データでは体験版の存在を確認できていません。過去にも体験版がなかったという意味ではありません。最新の提供状況はSteamのゲームページで確認してください。

Steamの体験版、プレイテスト、早期アクセスの違いは?

情報・画像:Steam · 最終確認 UTC