Mods make miracles. They can take one game and turn it into a completely different game. This is the risk you take when develop a game that supports mods. Some mods will ruin the game, some will make them inherently better and some will add awesome tweaks like the one above. What this guy does though is a little more creative and a little more fun than the rest.
Hahaha at the Ghast "boom"s.
Thats hilarious.
loooool :D i must try this xD
haha. That's the best thing I've watched in a while.
This was also done with Half Life 2 awhile back.