Slice Fortress Defense 3 is an online game at 43g.Com. You can play Slice Fortress Defense 3 in your browser for free.Fight hordes of monsters trying to scale your Fortress walls. 46 Unique Fighters, 40 Addictive Levels of Swordplay and Gunpowder Bliss. Create clever strategies with 7 damage types, and plenty of unique weapons with special abilities.