Killed a flying enemy with a thrown Tediore weapon

Completed the mission "Hunting The Firehawk"

You completed GTA IV to 100%.

You completed all the unique stunt jumps.

Completed the mission "The Road To Sanctuary"

Use every type of melee weapon on a zombie

Create all combo weapons

Reached level 5

Fill all entries in the notebook

Collect all combo cards

Collect all other 50 Trophies for this Trophy

Discovered 100 locations

Made one of every custom weapon