There is no vampire slayer character in the movies Screamand Scream 2. There aren't even vampires. I think you're somehow confused. The actor Sarah Michelle Gellar, (who plays Buffy in Buffy the Vampire Slayer), is in Scream 2 and portrays the character of Casey "Cici" Cooper (who is not a vampire slayer but just a college student.)
6 of them 1. Buffy the Vampire Slayer (Game Boy Color) 2. Buffy the Vampire Slayer (Xbox) 3. Buffy the Vampire Slayer: Wrath of the Darkhul King (Game Boy Advance) 4. Buffy the Vampire Slayer: Chaos Bleeds (Gamecube, Xbox, PlayStation 2) 5. Buffy the Vampire Slayer: The Quest for Oz (mobile phones) 6. Buffy the Vampire Slayer: Sacrifice (Nintendo DS)
Yes there is a game called 'Buffy the vampire slayer: Chaos Bleeds". It's for the consoles xbox and playstation 2.
Buffy the Vampire Slayer - 1997 The Harvest 1-2 is rated/received certificates of: Germany:16 USA:TV-PG
Buffy the Vampire Slayer - 1997 Passion 2-17 is rated/received certificates of: Germany:16 USA:TV-PG
Buffy the Vampire Slayer - 1997 Halloween 2-6 is rated/received certificates of: Germany:16 USA:TV-PG
Buffy the Vampire Slayer - 1997 Lie to Me 2-7 is rated/received certificates of: Germany:16 USA:TV-PG
Buffy the Vampire Slayer - 1997 Surprise 2-13 is rated/received certificates of: Germany:16 USA:TV-PG
Buffy the Vampire Slayer - 1997 Phases 2-15 is rated/received certificates of: Germany:16 USA:TV-PG
Buffy the Vampire Slayer - 1997 Beneath You 7-2 is rated/received certificates of: Germany:16 USA:TV-PG
Buffy the Vampire Slayer - 1997 Innocence 2-14 is rated/received certificates of: Germany:16 USA:TV-PG
Drusilla first shows up in "Buffy the Vampire Slayer" with Spike in Season 2, episode 3 "School Hard".
Buffy the Vampire Slayer - 1997 Some Assembly Required 2-2 is rated/received certificates of: Germany:16 USA:TV-PG