Yes, the official release comes with a co-op mode.
Serpent - video game - happened in 1990.
Serpent - video game - was created in 1990-11.
Shadow Land - video game - happened in 1987.
Shadow Land - video game - was created in 1987.
Shadow the Hedgehog - video game - happened in 2005.
Shadow the Hedgehog - video game - was created on 2005-11-15.
The Serpent of Death - 1990 is rated/received certificates of: Norway:15 (video rating) USA:R
The Midgard Serpent - 2007 was released on: USA: 23 April 2007 (Atlanta Film and Video Festival)
Ghost Riders - 1987 was released on: USA: 19 April 1988 (video premiere)
The Streets of San Francisco - 1972 Trail of the Serpent 1-20 is rated/received certificates of: Australia:PG (video rating) Canada:PG (video rating)
The Watchman Video Broadcast with Pastor Michael Hoggard - 2009 The Serpent and the Egg - 1.147 was released on: USA: 15 April 2012
Shadow of the Colossus