| Unlockable: | How to Unlock: |
| Abominator in multi-player mode | Successfully complete level 10 with a "Professional" rank. |
| Amber Benson interview | Successfully complete level 2 with any rank. |
| Amber Benson's voice overs | Successfully complete level 8 with any rank. |
| Anthony Stewart Head interview | Successfully complete level 1 with any rank. |
| Anthony Stewart Head's voice overs | Successfully complete level 7 with any rank. |
| Arena: Cemetery | Beat level 2 with "Slayer" rating |
| Arena: Initiative | Beat level 8 with "Slayer" rating |
| Arena: Quarry | Beat level 11 with "Slayer" rating |
| Bat Beast in multi-player mode | Successfully complete level 4 with a "Professional" rank. |
| Chainz in multi-player mode | Successfully complete level 10 with a "Slayer" rank. |
| Chris in multi-player mode | Successfully complete level 12 with a "Slayer" rank. |
| Faith in multi-player mode | Successfully complete level 8 with a "Professional" rank. |
| Female Vampire in multi-player mode | Successfully complete level 1 with a "Slayer" rank. |
| James Marsters' voice overs | Successfully complete level 6 with any rank. |
| Joss Whedon in multi-player mode | Successfully complete level 12 with a "Professional" rank. |
| Joss Whedon's voice overs | Successfully complete level 11 with any rank. |
| Kakistos in multi-player mode | Successfully complete level 9 with a "Slayer" rank. |
| Male Vampire in multi-player mode | Successfully complete level 1 with a "Professional" rank. |
| Materani in multi-player mode | Successfully complete level 5 with a "Professional" rank. |
| Nicholas Brendan interview | Successfully complete level 3 with any rank. |
| Nicholas Brendon's voice overs | Successfully complete level 9 with any rank. |
| Outtakes | Successfully complete level 12 with any rank. |
| Psycho Patient in multi-player mode | Successfully complete level 6 with a "Professional" rank. |
| Robin Sachs interview | Successfully complete level 4 with any rank. |
| Robin Sachs' voice overs | Successfully complete level 10 with any rank. |
| S&M Mistress in multi-player mode | Successfully complete level 7 with a "Slayer" rank. |
| S&M Slave in multi-player mode | Successfully complete level 7 with a "Professional" rank. |
| Sid the Dummy in multi-player mode | Successfully complete level 6 with a "Slayer" rank. |
| Tara in multi-player mode | Successfully complete level 3 with a "Slayer" rank. |
| Zombie Demon in multi-player mode | Successfully complete level 3 with a "Professional" rank. |
| Zombie Devil in multi-player mode | Successfully complete level 4 with a "Slayer" rank. |
| Zombie Gorilla in multi-player mode | Successfully complete level 11 with a "Professional" rank. |
| Zombie Skeleton in multi-player mode | Successfully complete level 2 with a "Professional" rank. |
| Zombie Soldier in multi-player mode | Successfully complete level 9 with a "Professional" rank. |
0% 
0%
