They came without warning, squawking menacingly, their ruffled
 feathers darkening the sun. Invading intergalactic chickens, out
 to punish humanity for our oppression of their earthly brethren
Requirements:
 
Operating System: Windows XP or better
 Now they're back, and they're having Earth for dinner!
System
  Processor Speed: 900MHz or better
 System RAM: 256 MB or more
Video DriverirectX 8 or better
Hard Drive: 35 MB free hard drive space or more
 Resolution: 1024x768 or higher
 
 
INSTALLATION NOTES
 
Istall Setup.exe. Crack is preinstalled
http://fullversionsforfree.blogspot.com/