01 · What we do
Ads
Games
Video
Learn
Four disciplines. One studio standard. B2B Meta Ads, games for mobile and browser, YouTube channels, and education apps.
01 · Meta Ads
B2B performance campaigns on Meta. Creative, audience targeting, and funnel design built for measurable pipeline.
02 · Games
Game concept and design for mobile and browser. From prototype to live operations, rooted in original IP.
03 · YouTube
Channel creation and growth expertise. Format design, production pipeline, and audience strategy that compounds.
04 · Education
Education apps built for serious learners. Structured curriculum, deep practice, real outcomes.
02 · Brands
Seonsaengnim
Saja
Redrum
Independent products under the XOXO umbrella. Education, games, and YouTube true crime. All built and operated by the same small team.
EDUCATION · Seonsaengnim
Structured Korean language learning, designed for serious learners.
GAMES · Saja
Dark fantasy multiplayer game rooted in Korean folklore.
YOUTUBE · Redrum
True crime documentaries from South Korea. Long-form investigative format covering Korean criminal cases and dark societal stories.
03 · Studio
Built
In
Seoul
XOXO is an independent studio based in Seoul, South Korea. Founded in 2018, we operate across four disciplines: B2B Meta Ads, mobile and browser games, YouTube channels, and education apps. We build for the long term. Every product we ship reflects a single team's craft, taste, and obsession with quality.
Four disciplines
B2B Meta Ads, mobile and browser games, YouTube channels, education apps.
Independent
No investors. No agencies. One team owning craft end to end.
Founded 2018
Operating from Mapo-gu, Seoul, South Korea.