S2ENGINE HD system requirements state that you will need at least 4 GB of RAM. If possible, make sure your have 8 GB of RAM in order to run S2ENGINE HD to its full potential. In terms of game file size, you will need at least 2 GB of free disk space available. By contrast, the game developers recommend somewhere around 4 GB of free disk space on your system drive. The cheapest graphics card you can play it on is an ATI Radeon HD 5850. But, according to the developers the recommended graphics card is an AMD Radeon RX 570. An Intel Core 2 Duo U7600 CPU is required at a minimum to run S2ENGINE HD. Whereas, an Intel Core 2 Quad Q9000 is recommended in order to run it.
S2ENGINE HD will run on PC system with Windows 7,8,10 and upwards.