When in need of more Gold Plasma to upgrade your ghost in the ghoul room, go onto the high score board. Repeat the same missions until you have enough Gold Plasm to upgrade your ghost to its full potential.
Level 1 Weatherwitch: Enter the first house and you will find a ghost near the back of it on the first floor. Get Cogjammer, put him on the radio on the shelf over the vacuum, then use Wild And Crazy.
Level 2 Static: Bind Stonewall in the plant on the roof and use Tremor. Then, bind Ghastly in the piano and use Bitter Cold. Maxine Factor: When Carole Anne Hutz comes upstairs, use her Intrigue. When Carole gets near the room, bind Whirlwind to her and use Tremor. Note: Teach him Tremor in the ghoul room. Arclight: Bind Stonewall near Arclight in the mud and use Tremor.
Level 3 Wendel: Scare out Ted Gable from the house. Terroyes: Bind Aether outside near Terroyes and use Shattering Song. Lucky: Bind Static in that room and use Sparkstorm.
Level 4 Raindancer: Bind Stonewall near the toilet, use Tremor, and wait for some time. Whisperwind: Use his Tempest and Weatherwitch's Gust. Moonscream: When the professor appears, use her Spooky Surprise to scare him.
Level 5 Electrospasm: Use his Spark and Raindancer's Flood together. Blue Murder: When Norman takes cash from the bag, use her Obsession. When he gets near her use Terror Incarnate. Banzai: Bind Stonewall in the bonsai in the main lobby.
Level 6 Knuckles: When anyone arrives to play poker, use Jinx on the other player. Flash Jordan: Use Banzai's Quake. Fingers: Scare the chef a little and he will come upstairs. Then bind Quiver in Fingers' room and use Insane Invitation. Wavemaster: Unknown. Level 7 Hogwash: Make an ethereal gift by help of Tricia. Tricia: Scare Blair Wechel. She will eventually go to the upstairs bathroom and she will be free. Firetail: Bind Raindancer in the bowl near him, and use Rain.
Level 8 Hard Boiled: Scare the mortals except Carole Anne Hutz. Level 9 Harriet: Scare Kevin Caulkin enough times so he drops the bunny toy then wait for some time. Daydreamer: Bind Shivers on his bed and use Suspicious Stench (teach him this attack). Brigit: Bind Blue Murder near her and use Obsession. Level 10 Sparkle: Make an ethereal gift near him by Harriet, bind Firetail in it, and use Bonfire. Blair Wisp: Unknown. Level 11 Windwalker: Unknown.
Level 12 Black Crow: Use Quake near his shed.
Level 13 Darkling: When anyone sleeps, bind Daydreamer to him and use Sleepwalk when he or she is on the prisoner's floor. Bind Daydreamer to Bruce Elm and use Sleepwalk. Then on the ground floor, bind Banzai and use Quake.