Unlock Extras:
Mission # - Unlock Bonus for completing mission
1 - Anthony Stewart Head Interview
2 - Amber Benson Interview
3 - Nicholas Brendan Interview
4 - Robin Sachs Interview
5 - Chaos Bleeds Comic Book
6 - James Marsters Voice Over Session
7 - Anthony Stewart Head Voice Over Session
8 - Amber Benson Voice Over Session
9 - Nicholas Brendon Voice Over Session
10 - Robin Sachs Voice Over Session
11 - Joss Whedon Voice Over Session
12 - Out-Takes
Unlock Multiplayer Arenas:
Unlock these arenas by completing the mission shown with a Slayer rating
Cemetery Arena: Mission 2
Initiative Arena: Mission 8
Quarry Arena: Mission 11
Unlock Multiplayer Characters:
Mission # - Rating - Character Unlocked
1 - Professional - Male Vampire
1 - Slayer - Female Vampire
2 - Professional - Zombie Skeleton
3 - Professional - Zombie Demon
3 - Slayer - Tara
4 - Professional - Bat Beast
4 - Slayer - Zombie Devil
5 - Professional - Materani
6 - Professional - Psycho Patient
6 - Slayer - Sid the Dummy
7 - Professional - S&M Slave
7 - Slayer - S&M Mistress
8 - Professional - Faith
9 - Professional - Zombie Soldier
9 - Slayer - Kakistos
10 - Professional - Abominator
10 - Slayer - Chainz
11 - Professional - Zombie Gorilla
12 - Professional - Joss Whedon
12 - Slayer - Chris
Unlockable Characters:
Male Vampire - Beat level 1 with "Professional" rank
Female Vampire - Beat level 1 with "Slayer" rank
Abominator - Beat level 10 with "Professional" rating
Chainz - Beat level 10 with "Slayer" rating
Zombie Gorilla - Beat level 11 with "Professional" rating
Joss Whedon and/or Chris - Beat level 12 with "Professional" rating for Joss Whedon, or "Slayer" rating for Chris
Zombie Skeleton - Beat level 2 with "Professional" rank
Cemetery Arena - Beat level 2 with "Slayer" rank
Zombie Demon - Beat level 3 with "Professional" rank
Tara - Beat level 3 with "Slayer" rank
Bat - Beast Beat level 4 with "Professional" rank
Zombie Devil - Beat level 4 with "Slayer" rank
Materani - Beat level 5 with "Professional" rank
Psycho Patient - Beat level 6 with "Professional" rating
Sid the Dummy - Beat level 6 with "Slayer" rating
S&M Slave - Beat level 7 with "Professional" rating
S&M Mistress - Beat level 7 with "Slayer" rating
Faith - Beat level 8 with "Professional" rating
Zombie Soldier - Beat level 9 with "Professional" rating
Kakistos - Beat level 9 with "Slayer" rating.
