In order for you to play Door Kickers on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Linux
Processor (CPU):
Intel Pentium IV 2.6 GHz or equivalent
Memory (RAM):
2 GB RAM
Graphics Card:
An OpenGL 2.0 graphics adapter. NOT SUPPORTED: Radeon X1950, Intel GMA, Intel Gxx, Intel Qxx, Intel Mobile 9xx, Intel HD Graphics 1 or older.
Storage:
2 GB available space
In order to play Door Kickers on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
Linux
Processor (CPU):
Intel Core 2 Duo or AMD Athlon 64 X2 5600
Memory (RAM):
4 GB RAM
Graphics Card:
NVidia Geforce 9xxx / AMD Radeon HD / IntelHD 3000 series or better
Storage:
2 GB available space