Friend and Foe Achievement in Buku Sudoku
Friend and Foe10
Complete 1 puzzle in Co-op, Team Battle, and Duel in Xbox LIVE mode
How to unlock Friend and FoeFor this, all you have to do is play against a friend in a 6x6 Easy puzzle player match (does not have to be ranked) on Xbox Live and complete (this means WIN) a game of Co-op, Team Battle and Duel. If you're boosting for this, you will play five games total because in Co-op you both win, while the other two modes you will trade wins.