The cheapest graphics card you can play it on is an NVIDIA GeForce 6100. The Unbreakable Gumball system requirements state that you will need at least 4 GB of RAM. To play The Unbreakable Gumball you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz.
The Unbreakable Gumball will run on PC system with Windows 7 and upwards.
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