In terms of game file size, you will need at least 500 MB of free disk space available. Sad City 42 system requirements state that you will need at least 1 GB of RAM. The cheapest graphics card you can play it on is an NVIDIA GeForce 6100. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Sad City 42.
Sad City 42 will run on PC system with Microsoft Windows Vista / 7 / 8 and upwards.