Trachtenberg has directed commercials for Lexus, Nike, and Coca Cola. In April, 2008, he joined Tight Films, for which he collaborated with Matt Wolf on an alternate reality game forHellboy II: The Golden Army."
He directed the internet show, "Ctrl+Alt+Chicken."
On August 23, 2011, Trachtenberg released the short film, Portal: No Escape. Based on the video game, Portal, the film drew more than one million views within its first day onYouTube. Within two months, the number of viewers surpassed six million.