Descent II: Vertigo Series

An extras pack released after the success of Descent II, Vertigo Series adds
23 missions and, as a bonus, provides some of the music tracks from the
original Descent II in Redbook Audio format (plays in a regular CD player).
It also comes bundled with the Mission Builder II pack. The new missions have
added effects not found in the original as well as creative map and enemy
design.

Descent II: Vertigo Series