In order for you to play Fly O'Clock on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
Ubuntu 12.4
Processor (CPU):
1.0 GHz Processor
Memory (RAM):
2 GB RAM
Graphics Card:
nVidia GeForce 6200, ATI/AMD Radeaon HD2400 XT
Storage:
200 MB available space