In order for you to play All Zombies Must Die!: Scorepocalypse on Windows with minimal graphics settings, your computer must meet the following requirements
Minimum:
Operating System:
Windows XP SP3 (32 bit only)
Processor (CPU):
2.0GHz
Memory (RAM):
2 GB RAM
Graphics Card:
Shader Model 3.0
DirectX®:
9.0
Hard Drive:
256 MB HD space