The organization started out by acquiring the rights for an Overwatch League franchise in Seoul, South Korea.

[5] On August 27, 2020, Gen.G was announced as one of the 10 selected teams as part of League of Legends Champions Korea (LCK) franchising.

[7] On May 6, 2024, the Esports World Cup Foundation, funded by the Saudi Arabia Public Investment Fund and organizers of the Esports World Cup tournament series, announced the 30 organizations (known in the ESWC as Clubs) who would make up the Club Support Program, with Gen.G being one of them.

After finishing first, they were placed against the 3rd Korean seed DWG KIA in the quarter finals, who they beat in a 3–2 series.

Before the start of the 2024 season the team went through several changes, with Choi "Doran" Hyeon-joon, Han "Peanut" Wang-ho, and Yoo "Delight" Hwan-joong leaving the roster to join Hanwha Life Esports.

[citation needed] During the 2024 season, Gen.G quickly rose to the top, winning the Pacific Kickoff tournament by beating Paper Rex 3–1 in the grand final and qualifying for Masters Madrid.

They continued their winstreak in Madrid, becoming the first Korean team to reach an international grand final, but narrowly losing out to Sentinels 2–3.

Following this, Gen.G reached their third grand final in VCT Pacific Stage 1, but were beat out by Paper Rex 2–3 in the end.

Gen.G maintained their dominance in VCT Pacific Stage 2, beating out DRX 3–1 in the grand final and qualifying to Valorant Champions 2024.

[46] On March 1, 2019, Gen.G Esports entered the Competitive Apex Legends by signing GrimReality, dummy, and silkthread.

[49] Boston Major winner, Timothy "autimatic" Ta was signed, along with Kenneth "koosta" Suen, Damian "daps" Steele, and Chris "Elmapuddy" Tebbit as head coach.

[50] Hunter "SicK" Mims was also announced as a stand-in for the IEM Katowice 2020 qualifiers until the final slot was filled.

On December 22, Gen.G announced the signing Hansel "BnTeT" Ferdinand from top Chinese team TyLoo to finalize the roster.

[53] The roster was subsequently disbanded in February 2021, when its last member, Timothy "autimatic" Ta, was acquired by T1 in VALORANT.

[54][55] Gen.G Esports' start came with the acquisition of an Overwatch League franchise spot, naming the team the Seoul Dynasty.