The Lady Killer: Part 3 is the 7th level in Duke Nukem Forever.
Synopsis
Duke finally finds Dylan and the Holsom twins. After returning to normal size, aliens teleport in and try to kidnap the Holsom twins. Duke fights them all off, then 2 last aliens teleport in and kidnap the twins. Duke meets up with General Graves, who tells him that the aliens are kidnapping Earth's women, and have taken over the Hoover Dam. Duke storms out of the casino, and starts Vegas in Ruin.