- commons.wikimedia.org wiki/Category:Erik_WolpawErik Wolpaw at GDC 2012.jpg 800 × 1,034; 715 KB.
- giantbomb.com erik-wolpaw/3040-89532/Erik Wolpaw is currently a writer for Psychonauts 2. Until 2017, he worked at Valve, being credited on the story and dialogue for Portal, Left 4 Dead and the Half Life...
- ensigame.com games/creators/erik-wolpawErik Wolpaw's latest work is Aperture Desk Job which was released 2 years ago.
- wiki2.org en/Erik_Wolpaw
- #133 - Erik Wolpaw Interview (Writer At Valve)
- NYU Game Center Lecture Series Presents Erik Wolpaw
- Valve Devs Speak About Gabe Newell
- hubogi.com erik-wolpaw-valvedan-ayriliyor/Erik Wolpaw, Half-Life projesinde ve Steam içerisindeki Valve Software’de bir çok projede yer alan yazarın ayrılışı, kendi Facebook sayfasından yaptığı duyuru ve...
- en-academic.com dic.nsf/enwiki/2419246Erik Wolpaw was one of the two writers behind the now-defunct Old Man Murray video game commentary web site.
- pcgamer.com portal-2-writer-erik-wolpaw-seems-to-…Original Story: It looks like ex-Valve writer Erik Wolpaw can drop the ‘ex’ prefix.
- pcinvasion.com writer-erik-wolpaw-leaves-valve/Erik Wolpaw, writer for Valve’s Portal and Left 4 Dead series’ among others, has departed the company today according to multiple sources.
- gamesindustry.biz erik-wolpaw-leaves-valveErik Wolpaw is no longer with Valve. ... There was no indication given as to what Wolpaw would do next, but he had already been announced as a story and dialog...