OneHit system requirements state that you will need at least 2 GB of RAM. Additionally, the game developers recommend somewhere around 4 GB of RAM in your system. To play OneHit you will need a minimum CPU equivalent to an Intel Core i3-530. Whereas, an Intel Core i5-650 is recommended in order to run it. You will need at least 450 MB of free disk space to install OneHit. Provided that you have at least an Intel HD 4000 graphics card you can play the game. Futhermore, an NVIDIA GeForce GTX 660 is recommended in order to run OneHit with the highest settings.
OneHit will run on PC system with Windows 7 and upwards.