The full first chapter of the single-player story is entirely free.
All community-made custom games and maps are free to play. What Still Requires Purchase? skachat kliuch k starcraft 2
While the base game is free, certain single-player expansions and cosmetic items still require a purchase through the official Battle.net Shop : StarCraft II The full first chapter of the single-player story
All Co-op Commanders are playable for free. However, most are capped at level 5 unless purchased, except for Raynor, Kerrigan, and Artanis, who are completely free. except for Raynor