You will need at least 220 MB of free disk space to install Nullysun. The minimum memory requirement for Nullysun is 256 MB of RAM installed in your computer. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Nullysun. The cheapest graphics card you can play it on is an Intel 82945G Express.
Nullysun will run on PC system with Windows XP/Windows Vista/Windows 7/8/10 and upwards.