Finish all Pawn stages in Kingslayer mode.
Finish all Rook stages in Kingslayer mode.
Finish all Bishop stages in Kingslayer mode.
Finish all Knight stages in Kingslayer mode.
Clear all levels in Kingslayer mode.
Finish all Pawn stages in Clear the Board mode.
Finish all Rook stages in Clear the Board mode.
Finish all Bishop stages in Clear the Board mode.
Finish all Knight stages in Clear the Board mode.
Clear all levels in Clear the Board mode.
Finish your first level.
Restart a level.
Finish all gamemodes.
Sacrifice your own queen over 25 times.
Get all achievements.