The Lost

The Lost follows a young man who returns to an apartment building and enters an endless looping space. He must find his way upstairs through floors where the rules of movement depend on whether an anomaly has occurred.

The looping floors

Moving right takes you forward, while moving left takes you back; the stairs no longer lead up or down. Compare each floor with the first: if it is different, an anomaly has occurred and you must go back to go upstairs. If it is the same, there is no anomaly, and you can continue forward.

Anomalies and events

When the number on the fake head changes color, the floor is a special anomaly floor. You cannot simply move forward or back there; you must complete an event or judge what to do based on the anomaly. Event-based anomalies tell you whether to go forward or backward. For non-event special anomalies, trust the monkey that cannot speak, never follow the crow, and watch out for hands on the ground. You may be transported to another world.

On the floor before the end, you will definitely enter the territory of a giant dragon.