PES 2009
50 Achievements
1000
Xbox 360
Perfect Season
Awarded after the best "Master League" season.
50
How to unlock the Perfect Season achievement in PES 2009 - Definitive Guide
VitalHook
For this achievement you need to go through the Master Season undefeated.It is easy for those who play football games alot but very time consuming since each match is at least 5 minutes long.