Not exact matches
Some will
reward you with elusive
gold bricks.
Some
gold bricks require getting through a short puzzle, or simply having the right minifig for the situation, and others are given as
rewards for helping citizens find lost friends or missing items.
The all important
gold bricks also make their return, which are
rewarded to you for pretty much everything, and there's a total of 450 of them for you to find, which will certainly keep you busy if you have your sights set on the lot of them.
Rewards for levelling up include the always coveted
Gold Bricks and additional customisation parts for use when creating a character.