A player will always look for ways to interact with the game / environment and some level of response from his actions is expected. Kaboom! Pack is not just a collection of destroyable crates and barrels, it gives full insight on how to hook up the interaction level - from simple particle effects when shooting a game object - to completely destroy ~ with damage levels included ~ any type of object, not just crates but also complex structures. A wreck system is also in place, in aid to the damage system (that controlls what model is displayed at this amount of health) so that when you shoot an object to render it damaged and eventually wrecked up and smoking.