Hard Difficulty:
Beat the game to unlock Hard Difficulty and Time Attack modes.
Normal Time Attack Bonus items. You'll receive them for every 2 Colossi defeated, in this order:
| Whistling Arrow | Distracts a Colossus |
| Cloak of Force | Sword damages a Colossus more |
| Mask of Strength | Inflict greater wounds to a Colossus |
| Lizard Detection Stone | Detects white-tailed lizards |
| Fruit Tree Map | Reveals the fruit trees on map |
| Mask of Power | Inflict greater wounds to a Colossus |
| Cloak of Deception | Invisible to a Colossus |
| Flash Arrow | Explodes when hits Colossus |
Hard Time Attack Bonus items. You'll receive them for every 2 Colossi defeated, in this order:
| Harpoon Of Thunder |
| Sword Of The Sun |
| Fruit Tree Map |
| Shaman's Cloak |
| Lizard Detection Stone |
| Shaman's Mask |
| Cloth Of Desperation |
| Queen's Sword From Ico |
Brown Agro:
Collect all items in normal Time Attack mode. At the title screen, hold Square to turn your horse brown.
White Agro:
Collect all items in hard Time Attack mode. At the title screen, hold Circle to turn your horse white.
Secret Garden/17th Colossus:
Beat the game on all four modes (normal/hard & game/time attack). Then climb the outside of the temple to the secret garden at the ends of the world. The 17th colossus will appear in a short cutscene like the others, busting through the rear wall. After you fight him, the path to the very top of the temple will be opened, leading to a surprise.
