Aspyr Media today announced that it will release Return to Castle Wolfenstein, a World War II-era action game from id Software and Gray Matter Studios, for Mac OS 9 and Mac OS X in late January, according to MacCentral. The title is currently being converted to the Mac at Westlake Interactive and will be on display at Macworld Conference and Expo next month in San Francisco. Since its PC release earlier this year, the title has become one of the most critically acclaimed of the holiday season, particularly for its extensive class-based multiplayer game modes. Pre-orders are currently being accepted for US$49.95.