1. Episode 1

8.5

. 26 September 2023. 71 min

Twelve contestants begin their 7-day journey. The first match is nothing like what they've expected — it's time to get those brain cells working!

2. Episode 2

8

. 26 September 2023. 60 min

The results of the first match have everyone shocked. Someone from the losing team must go to jail. When the next match begins, conflict starts brewing.

3. Episode 3

8

. 26 September 2023. 72 min

It's day 2, and people are eager to form deeper alliances. This time, the match will result in the very first elimination. Who will be sent home?

4. Episode 4

8

. 26 September 2023. 63 min

The group grows emotional over the result of the first elimination. Meanwhile, a contestant happens upon a secret hidden by the Devil.

5. Episode 5

8.2

. 3 October 2023. 67 min

The ORBIT alliance or a new alliance? While the contestants rethink their loyalties, someone commits an act of betrayal during the main match.

6. Episode 6

6

. 3 October 2023. 59 min

A betrayal leads to an unforeseen elimination. Emotions flare among the remaining players, but in this prize match, they must work as a team.

7. Episode 7

7.5

. 3 October 2023. 70 min

It's day 4, and a group commits a fatal mistake. As their allegiances waver, other contestants come closer to unlocking the Devil's secret.

8. Episode 8

8

. 3 October 2023. 62 min

The contestants struggle to solve the Devil's secret. During the fifth main match, Lee See-won attempts to face off against ORBIT.

9. Episode 9

9

. 3 October 2023. 63 min

The competition takes a new turn due to one player's surprising move. Shortly afterward, the truth surrounding the move is revealed.

10. Episode 10

8.7

. 10 October 2023. 68 min

The secrets of the prison result in a painful night for some. The last main match of the competition commences. Who will move on to the next round?

11. Episode 11

8

. 10 October 2023. 71 min

Contestants give it their all in the main match, but only three emerge triumphant. The last prize match begins.

12. Episode 12

8.7

. 10 October 2023. 76 min

The 7-day journey is nearing the end, and it's time for the final match. Who among the remaining two will be crowned winner?