http://steamcommunity.com/app/234190/
https://www.humblebundle.com/storeReceiver was created for the 7-day FPS challenge to explore gun handling mechanics, randomized levels, and unordered storytelling. Armed only with a handgun and an audio cassette player, you must uncover the secrets of the Mindkill in a building complex infested with automated turrets and hovering shock drones.
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Quick Look: https://www.youtube.com/watch?v=-mvmDorzbmo