Use bricks or bottles to lure an infected into attacking a human

Win the water gun fight

Play the Jak X game in Left Behind

Survive all of Ellie's jokes

Find all training manuals

Break into every locked door using shivs

Finish as the Champion of your Clubs Playoff table

Completed the Regalith Grand Cathedral.

Earn a Clubs League Promotion with your Club

Complete Part 1

Find all workbenches

Bought an item on discount.

Upgrade and then break one of every melee weapon