In terms of game file size, you will need at least 3 GB of free disk space available. The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 950. Smart Cube system requirements state that you will need at least 4 GB of RAM. To play Smart Cube you will need a minimum CPU equivalent to an Intel Core i5-650. However, the developers recommend a CPU greater or equal to an Intel Core i7-7Y75 to play the game.
Smart Cube will run on PC system with Windows 7 / 8.1 / 10 and upwards.