In terms of game file size, you will need at least 2 GB of free disk space available. To play XCavalypse you will need a minimum CPU equivalent to an Intel Core 2 Duo E6850. However, the developers recommend a CPU greater or equal to an Intel Core i5-7600K to play the game. The minimum memory requirement for XCavalypse is 2 GB of RAM installed in your computer. Additionally, the game developers recommend somewhere around 4 GB of RAM in your system. The cheapest graphics card you can play it on is an ATI Radeon HD 5750. But, according to the developers the recommended graphics card is an NVIDIA GeForce GTX 980 Ti.
XCavalypse will run on PC system with Windows 7 64 bit and upwards. Additionally it has a Linux version.