You broke a wall.

You pulled off 10 homing attacks.

You pulled off 10 bound combos.

You pulled off 10 Tag Throws.

You dealt a total of 1000 damage in Practice in Offline Mode.

You unlocked all the islands.

You completed a 500 foot wheelie on a motorbike.

You unlocked the special ability of buying guns from Little Jacob.

You completed the mission "Uncle Vlad".

You were invited into your girlfriend's house.