You completed the tutorial

You completed level 2

You completed the story

You completed all puzzles

You won againt the AI at a difficulty of 3 or higher on a 9x9 board

You won againt the AI at the highest difficulty on a 9x9 board

You won a match without capturing a single stone

You captured more than 10 stones at once

You created a chain that had 20 or more stones

You won 5 ranked matches on Xbox LIVE

You finished a 19x19 ranked match on Xbox LIVE

You won a game before reaching the sudden pass zone