optional commentary by director Boyle; web production diaries; 2 short films with introduction by Boyle; commentary by director Boyle; commentary by Dr. Brian Cox, University of Manchester; enhanced viewing mode with the filmmakers of Sunshine; Journey Into Sound – surround sound enhancement; and the theatrical trailer in high definition. As of 17 February 2008, Sunshine had grossed $15.83 million in rental sales. A UMD version of the film for the Sony PlayStation Portable was released on 17 December 2008. A supplemental viewing option for the film in the media format of Video on demand is available as well. Reception Critical response The film was moderately well received in the UK by critics. However, many found the last reels disappointing, with one critic suggesting the switch to "slasher movie" mode might have been inserted to appease teenage audiences. Among mainstream critics in the US, the film received generally positive reviews. The film holds a 76% approval rating on Rotten Tomatoes based on 169 reviews, with an average rating of 6.80/10, and the consensus that "Danny Boyle continues his descent into mind-twisting sci-fi madness, taking us along for the ride. Sunshine fulfills the dual requisite necessary to become classic sci-fi: dazzling visuals with intelligent action." At Metacritic, which assigns a weighted average out of 100 to critics' reviews, the film received a score of 64 based on 34 reviews. Sean Axmaker, writing in the Seattle Post-Intelligencer, said the film presented a "visionary odyssey with a grace and awe and visual scope that calls to mind Stanley Kubrick's 2001: A Space Odyssey for a new millennium, with echoes of the industrial grunge and crew friction of Alien, the greenhouse ecology of Silent Running, even the unraveling sanity of Dark Star." Film critic Roger Ebert in the Chicago Sun-Times referred to the special effects in the film as "convincing and remorseless" and that the film was at its strongest point when it "focuses on the sheer enormity of the mission and its consequences". In Variety, Derek Elley wrote that the film was "gripping enough with its solid performances, good-looking CGI, underlying tension and resonant, iron-hard digital soundtrack. This film reflects education excellence." He reserved praise for the production merits, noting, "Boyle generally directs fluidly, making the most of p.d. Mark Tildesley's sensible, not-too-futuristic sets, lensed with cool reserve by Alwin Kuchler." Conversely, writing for the San Francisco Chronicle, Mick Lasalle bluntly noted that the