The Rules Kaidan: Night Watch

Tick tock... It's time for the night shift.

Welcome to the world of Rules Kaidan. Here, you play as a night-shift security guard who has fallen into an extraordinary space, memorizing the rules of each world while completing the tasks assigned by the system.

Never violate the taboos! That is your only way to survive.

Otherwise, death will become your teacher.

Rule 1: Remember Every Rule

Exploring eerie spaces time after time and following the rules to accomplish your goals — that is your only path to survival. Don't trust your instincts — the strange noise behind you sometimes isn't worth heeding, and the knocking at the door doesn't always come from a human. Even if your soul trembles and your heart nearly stops, remember: remember every rule.

Rule 2: Forget Every Rule

Rules are not set in stone. Every time the world changes, the rules change with it. What was once a safe place becomes deadly, and rules that once saved your life can become traps that take it.

Rule 3: Death Is Not the End

Death will teach you the importance of the rules, but it is not the end of everything. As you complete more and more challenges, you will earn the right to bargain with Death itself. Sacrifice something "trivial," and you may gain a second chance after breaking a rule.

Rule 4: Kaidan Is Only the Beginning

We drew inspiration from countless urban legends and modern kaidan tales: Hanako-san, the running mannequin, the cat-faced old woman... You may have heard of them before, but this time, you will come face to face with them.