Another amazing talent parted ways with Valve today. Erik Wolpaw, the writer best known for his work on the Portal games, both of the Half-Life 2 episodes, and Old Man Murray, has officially left Valve.

Wolpaw was also a co-writer for Left 4 Dead. Prior to his work at Valve, Wolpaw helped to write Psychonauts with Double Fine Productions. Back in 2004, Wolpaw was diagnosed with ulcerative colitis and planned to quit Valve as he wouldn't be able to fulfill his duties due to a worsening...

Another amazing talent parted ways with Valve today. Erik Wolpaw, the writer best known for his work on the Portal games, both of the Half-Life 2 episodes,...