A Collector's Edition for the PC version of the game was sold exclusively in Poland and it featured the following content: - A black cardboard box with a print depicting a planet on the bottom half of the box, as well as the Mass Effect logo and the words "Edycji Kolekcjonerskiej" (Collector's Edition in Polish). - A DVD box housing the English and Polish copies of the game, and a bonus DVD (possibly the same found in the Xbox 360 Limited Collector's Edition). - A N7 t-shirt. - An art book (possibly the same found in the Xbox 360 Limited Collector's Edition). - A guide to the game in Polish. - A mouse pad featuring the Normandy. - Three postcards. - A 2 GB USB flash drive with the Mass Effect logo printed on it. - A blue lanyard with the Mass Effect logo repeated all over its length.