PSP Games You Need to Try! (Hidden Gems)

What are some PSP games you'd recommend?

Games Shown:
Dead Head Fred
Prinny Can I Really Be The Hero?
Snoopy vs The Baron
Power Stone Collection
Megaman Powered Up
Flatout: Head On
Obscure: The Aftermath
Gungnir
No Heroes Allowed (What did I do to deserve this my lord?)

Sources (please support them):
   • Mega Man Powered Up (PSP) Normal Mode...  
   • Power Stone Collection 【Longplay】  
   • Snoopy vs. the Red Baron ... (PSP) Ga...  
   • Prinny: Can I Really Be the Hero? - 1...  
   • Dead Head Fred - Gameplay PSP HD 720P...  
   • FlatOut: Head On PSP Gameplay HD  
   • PSP Classics - No heroes allowed! Com...  
   • [PSP] ObsCure: The Aftermath | Gamepl...  

Thanks for looking down here! Oh, and Happy Thanksgiving (if you're Canadian) :^)