Trivia: In the film, the two transfer students are Kiriyama, the silent killer, and Kawada, the winner of a previous Battle Royale. In the original novel, only Kawada was the transfer student; Kiriyama was in the same class selected for this game of death. He was the main antagonist.
Trivia: The picture on the computer of the hive looks like an upside down umbrella and the name of the corporation who own the hive is ... the Umbrella corporation.
Trivia: Michael Myers' mask is a Captain Kirk mask turned inside out, then painted white with ruffled hair and a few other tweaks.
Trivia: Robert Downey Jr. was the only member of the cast who was allowed to read the entire script.