You will need at least 200 MB of free disk space to install Cannon Fire. Provided that you have at least an NVIDIA GeForce 6100 graphics card you can play the game. To play Cannon Fire you will need a minimum CPU equivalent to an Intel Core i5-650. Cannon Fire system requirements state that you will need at least 2 GB of RAM.
Cannon Fire will run on PC system with Win xp or higher and upwards. Additionally it has Mac and Linux versions.