Secret 19: Impersonation

Secret 1: Intoxication

Obtainable

Secret 2: Roof Gullibility

Secret 3: Factory Facade

Secret 4: Fertility

Secret 5: The Effects of Water

Secret 6: Fountain Codes

Secret 7: Gambit of the Decade

Secret 8: The Vat of Waste

Secret 9: Profit Schemes

Secret 10: Under The Cover

Secret 11: Graffiti

Secret 12: Colour Fantastic

Secret 13: Message of The Void

Secret 14: Grass Block

Secret 15: Who Created The Chimney?

Secret 16: Laura's Key

Obtainable

Secret 17: Centroid Security

Secret 18: Basement

Secret 20: Explosives

Secret 21: Groceries

Secret 22: History Lesson

Secret 23: Taxman

Secret 24: Barcode Logic

Secret 25: Truck Delivery

Secret 26: Abandoned Designs

Secret 27: Troll Within The Smoke

Secret 28: Red Herring

Secret 29: Looney Wall

Secret 30: Commute

Secret 31: Qualitize Serum