Facebook multi-games hack

This hack can be used for the following games:

Angry Birds
Bejeweled Blitz
Bubble Island
Bubble Witch Saga
Candy Crush Saga
CityVille
Diamond Dash
Marvel: Avengers Alliance
Monster World
Slingo
Slotomania
Solitaire Blitz
The Sims Social
Zuma Blitz

NOTE: WORKS ONLY ON FIREFOX!

Download Extension : leethax.net Firefox extension - leethax.net
Main Website : Welcome - leethax.net