Aspyr today announced that it will publish Call of Duty: United Offensive for Macintosh later this year. The title, licensed by Activision, brings “the cinematic intensity of the brand to unprecedented heights with more action than ever before. Call of Duty: United Offensive, the expansion pack to Infinity Ward’s Call of Duty allows gamers to experience more of WWII’s most legendary conflicts through the eyes of Allied soldiers fighting for the liberation of Europe through 13 intense new single player missions.” Call of Duty: United Offensive is expected to ship in November.