You will need at least 40 MB of free disk space to install BBlocks. To play BBlocks you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. BBlocks system requirements state that you will need at least 4 GB of RAM. The cheapest graphics card you can play it on is an NVIDIA GeForce 6100.
BBlocks will run on PC system with Windows 7 or higher and upwards.