On several occasions Barney has literally exploded when he has attempted to walk over a chair that has been knocked over. 
On several occasions Barney has literally exploded when he has attempted to walk over a chair that has been knocked over.
Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.