The GSL will be running two preseason tournaments, which will seed the winners directly into Code S Season 1.
December 7 - 11
Eligibility: 12 years + / Masters League and up
- Preliminaries: December 13/14 (Online)
- Round of 16: December 15/16 KST 18:30 (Online)
- Quarterfinals: December 17 KST 20:00 (Online)
- Semifinals ~ Final Match: December 18 KST 18:30 (Offline, FreecUP Studio)
- Preliminaries: December 20/21 (Online)
- Round of 16: December 23/24 KST 18:30 (Online)
- Quarterfinals: December 25 KST 18:30 (Online)
- Semifinals ~ Final Match: December 26 KST 18:30 (Offline, FreecUP Studio)
- Single Elimination
- Round of 16 ~ Quarterfinals - Bo3
- Semifinals ~ Finals - Bo5
- Season 4 Map Pool
- Preliminary Matches: Dusk Towers, Ruins of Seras, Prion Terraces
₩2,000,000 for both weeks.
- 1st - ₩1,000,000 (Code S seed)
- 2nd - ₩500,000
- 3rd/4th - ₩250,000
Korean commentary will be provided by Park Sang Hyun, Hwang Young Jae, and JYP.
English commentary will be provided by Tasteless and Artosis.