If you're a fan of free retro PC games, then Christmas has come early as digital distribution site GOG is handing out I Have No Mouth And I Must Scream as a freebie until December 25. Adapted from a short story written by acclaimed author Harlan Ellison, the game is a disturbing journey to the center of the planet, where humanity's last survivors have been imprisoned and kept alive for over a century by the sadistic supercomputer AM.
Each of the game's five characters have their own dark secrets
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