Collector's Edition

The Ultimate Doom Trilogy: Collector's Edition is a commercially-sold combination pack initially released in September, 2001. It includes the following three games:
 * Ultimate Doom
 * Doom II
 * Final Doom

The games come with the Doom95 executable. The original DOS executables are not included in the game pack.

The package was re-released on January 29, 2003, and includes a trailer, screenshots, and other information regarding Doom 3 (which was not released until August 3, 2004).