The Last Guardian

					
Unlock Bonus Costumes:

Once you have successfully completed the game you will be able to unlock the bonus costumes by beginning a second playthrough and feeding Trico the indicated number of barrels of food. The barrels of food can be found scattered across the game. Note: If you pause gameplay and select the ‘Items’ option you will be able to view your progress towards unlocking costumes.
Enduring Costume:

12 barrels of food
Fine Featherpainter Costume:

96 barrels of food
Homecoming Costume:

24 barrels of food
Horned Apparel Costume:

48 barrels of food
Warriors Cloth Costume:

64 barrels of foodTrico the indicated number of barrels of food to unlock the corresponding costume. The barrels of food can be found scattered across the game. Note: If you pause gameplay and select the ‘Items’ option you will be able to view your progress towards unlocking costumes.
Enduring Costume:

12 barrels of food
Fine Featherpainter Costume:

96 barrels of food
Homecoming Costume:

24 barrels of food
Horned Apparel Costume:

48 barrels of food
Warriors Cloth Costume:

64 barrels of food
In-Game Time:

Unfortunately there is no feature that allows you to view your in-game time so you will need to use a stopwatch to keep track.
Checkpoints:

Remember that starting a checkpoint does not count as a death so make use of this when you are about to die, miss a jump, or fall into the abyss.