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scary ambience with sci fi sirens

scary ambience

scary ambience

scary ambience

scary atmosphere

scary atmosphere with suspense

scary door hit

scary generator ambience

scary generator hum with additionally background effects

scary sci fi swoosh

scary science fiction machine ambience

scary space ambience

scary stab heavy mangled with echos

scary stab heavy mangled

scary stab with scratches and delays

sci fi airburst 1

sci fi airburst 10

sci fi airburst 2

sci fi airburst 3

sci fi airburst 4

sci fi airburst 6

sci fi airburst 7

sci fi airburst 8

sci fi airburst 9

sci fi airexpel 11

sci fi airexpel 12

sci fi airexpel 13

sci fi airlock 14

sci fi airlock 16

sci fi airrelease 18

sci fi airrelease 19

sci fi airrelease 20

sci fi airyray 21

sci fi alarm 38

sci fi alarm 40

sci fi alarm 43

sci fi alarm 44

sci fi alarm 48

sci fi alarm 49

sci fi alarm 50

sci fi alarm 51

sci fi alarm 52

sci fi alarm 53

sci fi alarmbattle 22

sci fi alarmbattle 23

sci fi alarmbattle 24

sci fi alarmbattle 25

sci fi alarmbattle 26

sci fi alarmbeep 27

sci fi alarmbeep 28