You will need at least 250 MB of free disk space to install Subterra. Subterra system requirements state that you will need at least 512 MB of RAM. Provided that you have at least an NVIDIA GeForce 6100 graphics card you can play the game. To play Subterra you will need a minimum CPU equivalent to an Intel Core 2 Duo E8400.
Subterra will run on PC system with Windows 7, 8, 10 and upwards.