Position your troops and defenses in your castle fortress and be ready to defend your base. There are endless waves of monsters attack. It will be up to you to set up your defenses and stop the monsters before they climb the walls of your fortress. You have a lot of combinations of tower defenses and soldiers to use so make sure you position them wisely in your fortress. Show us how many levels of Slice 3 Fortress Defense you can complete. Best Slice Fortress Defense 3 games.