謎解き×推理×脱出ゲーム ホラー密室ミステリー-鍵のない密室

A free mystery-solving escape game blending puzzle solving, deduction, and horror. In a locked room without a key, you gather clues, deduce the truth, and strive to escape while unraveling a murder mystery. The experience blends suspense, psychological tension, and clever puzzles to challenge your wits.

Features include a branching narrative shaped by your choices, a hint system for beginners, offline play, and a series connection to other titles in the franchise.