Beneath a Steel Sky

helicopter robot post-apocalyptic cyberpunk bloody puzzle solving death robots abandonware puzzles sci-fi adventure graphic adventure dark scifi multiple endings freeware point and click dialogue trees inventory dark humor digital distribution single-player only pop culture reference cutscene non-player character profanity gog.com save point a.i. companion cigarette videotape villain item combination dystopian world unskippable cutscene linear gameplay in-game advertising secret identity robots with a sense of humor australian accent