McNally shared the detail on Twitter, saying "no one batted an eyelid" at his t-shirt as he walked the show's halls. Also it was fun to walk around GDC2016 in a t-shirt with our new IP on it and ...

The Mass Effect galaxy spanned across three games, introduced us to a huge cast of characters, and inspired a plethora of t-shirts and gear. ... Mass Effect 3 T-Shirt Roundup ...