exterminator. The film was rendered on DNA Productions' 1400-CPU render farm, managed by the open-source Sun Grid Engine job scheduler. The nodes started out with Fedora Core 2 Linux with a modern 2.6.x kernel, but the new AMD Opteron nodes are running Fedora Core 4. Most of the applications are commercial, including Maya, Lightwave 3D, Houdini, Massive and Pixar’s RenderMan. Along with the theatrical release of The Ant Bully, an IMAX 3D version was presented in only some of the IMAX theaters. The others continued to run the 3D version of Superman Returns. The special IMAX 3D version was remastered in three dimensions with IMAX DMR. Critics within the 3D motion-picture community have given the film high marks, as unlike Superman Returns, the entire film is projected in 3D stereo. The process to turn a pure animation film into 3D is much simpler than converting a film having live actors. Some of the production took place at C.O.R.E. Digital Pictures in Canada. Release The film was theatrically released on July 28, 2006 by Warner Bros. Pictures, and was released on DVD and Blu-ray on November 28, 2006, by Warner Home Video. Reception Critical response Review aggregation website Rotten Tomatoes reported a 62% approval rating, based on 118 reviews, with an average rating of 6.2/10. The website's consensus reads, "Sometimes inventive and witty, this animated adventure into an ant-sized world is a pleasant diversion." On Metacritic, the film has a score of 59/100 based on 26 reviews, indicating "mixed or average reviews". Audiences surveyed by CinemaScore gave the film a grade "A−" on scale of A to F. Tom Long of the Detroit News wrote, "there's a sweet simplicity and humility to this film." Ruthe Stein of The San Francisco Chronicle wrote that "the brilliance of The Ant Bully is in the crafty way it delves into the minds of ants as they plot to save themselves from extermination...Davis creates a marvelously labyrinthine society for them, right below the surface of a bland suburb." Lisa Schwarzbaum of Entertainment Weekly liked Roberts and Cage in their roles, and referred to Streep's queen ant as "excellently magisterial". She also wrote that "the kind of life lessons that usually gum up the fun go down as easily as jelly beans in The Ant Bully." Jeffrey E. McCants of the Minneapolis Star Tribune wrote that "the film's heavy-handed lessons turn it from a fun romp