Gunkid 99 system requirements state that you will need at least 4 GB of RAM. In terms of game file size, you will need at least 200 MB of free disk space available. An Intel Core 2 Duo E8400 CPU is required at a minimum to run Gunkid 99. Provided that you have at least an NVIDIA GeForce 510 graphics card you can play the game.
Gunkid 99 will run on PC system with Windows Vista, 7, 8, or 10 and upwards.