Cubetractor system requirements state that you will need at least 4 GB of RAM. To play Cubetractor you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. However, the developers recommend a CPU greater or equal to an Intel Pentium 4 2.66GHz to play the game. The cheapest graphics card you can play it on is an NVIDIA GeForce 510.
Cubetractor will run on PC system with and upwards. Additionally it has a Mac version.