An Intel Atom x5-Z8300 CPU is required at a minimum to run Imperil. Provided that you have at least an Intel 82945G Express graphics card you can play the game. Imperil system requirements state that you will need at least 1 GB of RAM. You will need at least 123 MB of free disk space to install Imperil.
Imperil will run on PC system with Windows XP and upwards. Additionally it has a Mac version.