Collect all Holo-Plans to unlock RYNO IV.
Unlockables 
Get the indicated number of Skill Points to unlock the corresponding bonus:
  2006 GDC trailer: 150 
  2007 E3 trailer: 25 
  Big head enemies: 100 
  Big head mode (Ratchet only): 50 
  Character concept art: 75 
  Environment concept art: 250 
  James the Galactic Defender: 400 
  Levels are mirrored: 500 
  Ratchet Drawing tutorial: 350 
  Script to screen: 600 
  Weapon concept art: 450 
  Wrench replacement: 300