You're wife is gone, but you can bring her back.
Search through the randomly generated levels with or without a friend to find the last ingredient.
Controls:
Wizard (player 1):
Movement - WASD
Spells - GHJK
Wisp (player 2 select in menu):
Movement - Arrow Keys
Spells - Num 1, Num 2, Num 3, Num 0
Controller (in Chrome only:
Movement - Left Stick
Spells - AXBY