According to Tim Sweeney, yes: https://www.forbes.com/sites/mattperez/2020/01/14/epic-games-store-has-hit-680-million-in-revenue-108-million-customers/?sh=2c97

According to Tim Sweeney, yes: https://www.forbes.com/sites/mattperez/2020/01/14/epic-games-store-has-hit-680-million-in-revenue-108-million-customers/?sh=2c97b6c54b99 https://www.forbes.com/sites/mattperez/2020/01/14/epic-games... "Exclusives have been critical in gaining momentum in the presence of a competitor that began 2019 with more than 90% market share"