(edited) sound file: source

ambient_boom.ogg: sound/noises/Boom.wav
ambient_lonely.ogg: sound/atmosphere/ambient_lonely.wav

easteregg_asteroid.ogg: sound/player/insurrectionist/coms/taunt4.ogg
easteregg_door.ogg: sound/machines/Elevator_Up.wav
easteregg_message.ogg: sound/misc/shield_respawn.wav
easteregg_teleporter.ogg: sound/supernatural/Time machine test.mp3

object_exhaust.ogg: sound/machines/Big_machine.wav
object_light.ogg: sound/machines/Flourescent-Loop(Mono).wav
object_pipe.ogg: sound/machines/pipewater_loop.wav
object_spawnpoint.ogg: sound/ambient/transformer.ogg
object_turbine.ogg: sound/ambient/fan4.ogg