Animated trailer for "Dark Souls" directed by Eli Roth

"Hostel" director Eli Roth directed the animated short "The Witches" to promote the latest installment in Namco Bandai's "Dark Souls" game series.

Brock Gallagher directed a 2:15 minute hand-drawn animation at Los Angeles studio Six Point Harness.

Game makers are increasingly incorporating animated shorts into marketing campaigns for their releases. Blizzard Entertainment recently produced an eight-minute short to support the launch of Overwatch: