An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Z Runaway. Z Runaway system requirements state that you will need at least 512 MB of RAM. Additionally, the game developers recommend somewhere around 2 GB of RAM in your system. You will need at least 300 MB of free disk space to install Z Runaway. The cheapest graphics card you can play it on is an Intel HD 2000.
Z Runaway will run on PC system with Windows XP and upwards. Additionally it has Mac and Linux versions.