You took recruits fortress garrison. Gone through the training course, you will become a brave defender of the fortress, and this only while you intern. Each trainee must be able to get the besieging enemy castle. You can use the core, conventional wooden crates, wheels of carts, heavy loads, bombs and more. Using these objects, you need to destroy all enemies. Often, they are well covered, and to destroy them need to apply the logic of practice. Using ingenious mechanisms and physical features of various projectiles, you can get anyone.