The first simulation starts in a dreary space. Hang in there, and do not stand out!

The members relax in a warm sauna. However, that is not what makes them sweat!

The members find themselves in an old Korean village that is swarming with evil spirits!

The members quarantine in a house. If they break the rules, they will pay a price.

When the members begin to enjoy their feast, the room begins to shake!

The members are given 100 million won to use and enjoy as much as they please!

There is no simpler rule than this: Protect the flame!

The members are welcomed by the worst disaster of mankind: war.

The first mission is to stay healthy. However, enemies are lurking around.

The members enjoy a peaceful space of healing which soon turns into disaster.

The members go on an adventure in a cosy AI bed. However, the machine goes haywire.

An unidentified presence appears before the members who have returned as lifeguards.

The members enter the lively Hwayang Village. However, mysterious events continue to follow them.

A PLAY ZONE is created for the members who have been through a lot. A lot of memorable childhood games are gathered in a questionable area. If they cannot avoid it, they might as well enjoy it. The spin-chilling fun of holding out begins!

The members have to survive alone in an underground bunker with no forms of communication.

The members must destroy the enemy's base through a battle.

Survive for four hours in a world filled with robots that look just like Yoo Jae-suk!

Survive for four hours while repaying the massive loan in a collapsing paper house!

Survive for four hours while fact-checking in an abandoned resort filled with strange phenomena!