An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Quantum Flux. The minimum memory requirement for Quantum Flux is 500 MB of RAM installed in your computer. The cheapest graphics card you can play it on is an NVIDIA GeForce 6100. You will need at least 200 MB of free disk space to install Quantum Flux.
Quantum Flux will run on PC system with Windows XP and upwards. Additionally it has a Mac version.
Minimum System Requirements
CPU
1.66 Ghz
RAM
500 MB RAM
OS
OS X version Leopard 10.5.8 or later
HDD Space
200 MB available space
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