An Intel Core 2 Duo E8400 CPU is required at a minimum to run Alien Run. Alien Run system requirements state that you will need at least 4 GB of RAM. You will need at least 100 MB of free disk space to install Alien Run. The cheapest graphics card you can play it on is an NVIDIA GeForce 510.
Alien Run will run on PC system with Microsoft® Windows® XP or higher and upwards.