Collect the required number of Precursor Orbs as indicated below to unlock the extra option.

# of orbs Option unlocked

5 Toggle Jak's Goatee
15 Mirror World
30 Big Head Mode
45 Small Head Mode
55 Scrap Book 1
65 Scene Player Act 1
75 Vulcan Fury Course
85 Scrap Book 2
95 Scene Player Act 2
105 Peace Maker Gun Course
115 Scrap Book 3
125 Scene Player Act 3
135 Reverse Races
145 Level Select
155 Unlimited Ammo
165 Unlimited Dark Jak
175 Invulnerability
200 Hero Mode