The Shivers (1998)
Party house is actually portal to evil dimension, and horde of murderous beings slaughter partygoers, then homicidal children attack cars, before evildoers are all pulled back through the portal to invade another dimension.
Party house is actually portal to evil dimension, and horde of murderous beings slaughter partygoers, then homicidal children attack cars, before evildoers are all pulled back through the portal to invade another dimension.