1C Game Studios

1C Game Studios (officially abbreviated as 1CGS) is a Russian game development company founded in 2012, originally as part of a joint venture by 1C Company and 777 Studios. It develops mostly online multiplayer games, such as the later IL-2 Sturmovik series and Caliber.

By 2022, it became a subsidiary of the 1C-777 (later For-Games CR) branch instead.