1x1 - Red Light, Green Light
Hoping to win easy money, a broke and desperate Gi-hun agrees to take part in an enigmatic game. Not long into the first round, unforeseen horrors unfold.
1x2 - Hell
Split on whether to continue or quit, the group holds a vote. But their realities in the outside world may prove to be just as unforgiving as the game.
1x3 - The Man with the Umbrella
A few players enter the next round — which promises equal doses of sweet and deadly — with hidden advantages. Meanwhile, Jun-ho sneaks his way inside.
1x4 - Stick to the Team
As alliances form among the players, no one is safe in the dorm after lights-out. The third game challenges Gi-hun's team to think strategically.
1x5 - A Fair World
Gi-hun and his team take turns keeping guard through the night. The masked men encounter trouble with their co-conspirators.
1x6 - Gganbu
Players pair off for the fourth game. Gi-hun grapples with a moral dilemma, Sang-woo chooses self-preservation and Sae-byeok shares her untold story.
1x7 - VIPS
The Masked Leader welcomes VIP guests to the facility for a front-row viewing of the show. In the fifth game, some players crack under pressure.
1x8 - Front Man
Ahead of the last round, distrust and disgust run deep among the finalists. Jun-ho makes a getaway, determined to expose the game's dirty secrets.
1x9 - One Lucky Day
The final round presents another cruel test — but this time, how it ends depends on just one player. The game's creator steps out of the shadows.
2x1 - Bread and Lottery
A vengeful Gi-hun makes a U-turn at the airport. Later, in his hideout, he intensifies his search for the elusive recruiter who is seeking new players.
2x2 - Halloween Party
Gi-hun finally gets hold of an invitation, marked for Halloween day. In a tense moment facing Jun-ho, they reveal their truths to each other.
2x3 - 001
New players gather for a chance to win 45.6 billion won. After an intense first round, the survivors' fates hang in the balance — down to one final vote.
2x4 - Six Legs
The players prepare for the next game: a six-legged pentathlon, where each team member must clear a mini-game to survive — or face collective elimination.
2x5 - One More Game
Kang No-eul earns enemies for her unruly actions. Nerves fray to the breaking point as the remaining players vote on whether to move to the next round.
2x6 - O X
Jun-ho and his team prepare to infiltrate a suspicious island. As monetary stakes and tensions rise, players split into two opposing factions.
2x7 - Friend or Foe
The remaining players strategize on how to survive the night. Gi-hun proposes a risky plan — but he will need trustworthy allies to carry it out.
3x1 - Keys and Knives
3x2 - Episode 2
3x3 - Episode 3
3x4 - Episode 4
3x5 - Episode 5
3x6 - Episode 6