You will need at least 200 MB of free disk space to install Unhack. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Unhack. The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 960. Unhack system requirements state that you will need at least 2 GB of RAM.
Unhack will run on PC system with XP or above and upwards. Additionally it has Mac and Linux versions.