Já agora voces podem fazer isto e muito mais com este mod:
http://www.garry.tv/garrysmod/
como por exemplo:
.. position ragdolls so they look like they've had a baby?
.. string a combine soldier up and fire dead babies at him?
.. tie stuff to scanners and manhacks then watch them fly off?
.. fire a load of melons at a wall?
.. conserve fuel?
.. make little motorized cars?
.. make little jet cars?
.. play with depth of field blur?
.. homebrew a car crash?
.. spawn items from a menu?
.. attach balloons to stuff?
.. make controllable rocket cars?
.. recreate the car crashes you saw as a kid?
.. add weird effects?
.. pose and position faces?
PS: Estas fui eu que as fiz...