Madden NFL 08
48 Achievements
1,000
6-8h
Xbox 360
80 Percent Pass Completion
Complete 80 percent of the attempted passes in one game.
15
How to unlock the 80 Percent Pass Completion achievement in Madden NFL 08 - Definitive Guide
This guide only helped abit,This can be recieve when you go for 100%, make one pass use quick pass more easy, then run the rest of the game.
See "100 Percent Pass Completion".