Games needing more work on achievements

Elder Scrolls IV: Oblivion 
Left 4 Dead      
Dead Space 
Fable 2     
Bioshock 
 NCAA Football 08/07 
NCAA March Madness 07  
Skate 
Skate 2 
Crackdown 
Madden 08/09 
Saints Row  
NBA 2k9 / 2k8