An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Castle. Whereas, an Intel Pentium 4 3.00GHz is recommended in order to run it. Provided that you have at least an NVIDIA GeForce 510 graphics card you can play the game. You will need at least 70 MB of free disk space to install Castle. Castle system requirements state that you will need at least 512 MB of RAM. Additionally, the game developers recommend somewhere around 1 GB of RAM in your system.
Castle will run on PC system with XP and later and upwards.
