LSD Dream Emulator demo video. Looks to be pre rendered CGI, ingame beta testing and all sorts of oodles.
This video was uploaded to the companies website as a preview of the game. Shows some areas which didn't make the final game, a beta Grey man, and maybe what looks like the player you play as.
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Original description: "LSD Dream Emulator demo video. Looks to be pre rendered CGI, ingame beta...