The listing, Double Cubes [steam key] has ended.
http://store.steampowered.com/app/391300/Double_Cubes/
2097 year. You are a robotic combat soldier of an elite unit. Your task is to pass the first stage of checking the mental faculties in the virtual room. You need to act competently, quickly, without mistakes and reach the end. In case of failure, you are disposed of.
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if you have any problems with the activation key please provide screenshots.