The duration of Curse of the Undead is 1.32 hours.
No you can only use them in the undead nightmare.
You cannot get Red Dead Redemption - Undead Nightmare on the PlayStation Portable.
I think it means History of the Undead. So it's basically normal history, but it's for monsters.
Go to on line as usual, and go to your challenges and pick undead overrun.
Shadow Zone The Undead Express - 1996 TV was released on: USA: 27 October 1996
The Quick and the Undead - 2006 is rated/received certificates of: Australia:MA
Undead Noise - 2012 is rated/received certificates of: USA:PG-13
Virus Undead - 2008 is rated/received certificates of: Netherlands:16 USA:R
Zombie Undead - 2010 is rated/received certificates of: Australia:MA15+ (2013) UK:15
Undead Knights - 2009 VG is rated/received certificates of: Singapore:ADV USA:M
Dead Undead - 2002 V is rated/received certificates of: Germany:16
Castle - 2009 Undead Again 4-22 is rated/received certificates of: Netherlands:12
Friday the 13th - 1987 Tales of the Undead 1-10 is rated/received certificates of: USA:TV-14
Hart of Dixie - 2011 The Undead and The Unsaid 1-6 is rated/received certificates of: Netherlands:9 USA:TV-PG
Doctor Who - 1963 Mawdryn Undead Part Two 20-10 is rated/received certificates of: UK:PG (DVD rating)
Doctor Who - 1963 Mawdryn Undead Part Four 20-12 is rated/received certificates of: UK:PG (DVD rating)