As in the subject, GoG is giving away one classic gem of an RTS. You've still got a couple hours to grab it, if interested.
Official announcement [https://www.gog.com/news/constructor_returns_to_gogcom_with_a_24h_giveaway]
direct "purchase" link [https://www.gog.com/game/constructor]
Official announcement [https://www.gog.com/news/constructor_returns_to_gogcom_with_a_24h_giveaway]
direct "purchase" link [https://www.gog.com/game/constructor]