Classic 80s strategy RPG The Lords of Midnight is free on GOG right now
As is its sequel Doomdark's Revenge.

Classic 80s fantasy role-playing game The Lords of Midnight and its sequel Doomdark's Revenge are currently free on GOG.

Developed by Mike Singleton and originally released for the ZX Spectrum back in 1984, The Lords of Midnight - which melds epic fantasy adventure with war-game-like strategy - is widely regarded as a true gaming classic, both wildly ambitious and masterfully designed.

It's set in the sprawling fantasy kingdom of, yes, Midnight (which features a staggering 4,000 locations to explore), and initially gives players control of four characters - Luxor the Moonprince, Rorthron the Wise, Corleth the Fey, and Morkin - tasking them with bringing an end to the warmongering Witchking, Doomdark.

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