Lies of P: All Riddle Solutions & Trinity Door Locations

gameranx.com:

There’s very little mystery to find in Lies of P — the areas are generally extremely linear, with no optional bosses or hidden locations. But, if you do search each chapter thoroughly, you can answer a series of mysterious riddles from ringing public phones. Answering the riddles correctly will reward you with a Trinity Key — these keys open hidden doors around the city of Krat. Finding them all gives you access to a special final door that’s both creepy and reveals more about the world — if you’re invested in the Story of P this can’t be missed.

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As you explore the city of Krat, you’ll encounter phone calls — if you pick up the ringing phone, you’ll be given a riddle. There are five riddles total. To open all the Trinity Doors you’ll need to complete these riddles and acquire keys. If you open all five doors, you’ll earn the ‘End of Riddles‘ achievement / trophy.

Trinity Door #1: Workshop Union Culvert – After solving a riddle, you’ll acquire a Trinity Door Key. The first door is in the Workshop Union Culvert. Return to the area where you first meet the Cat and Fox hunters. Go through the nearby pipe. Enter the chamber with three enemies, then go through the stone-lined passage. Follow the path to reach the first locked Trinity Door.

Trinity Door #2: St. Frangelico Cathedral Chapel – Climbing high into the cathedral, reach the falling electrified orb trap. Next to the falling orb, climb the metal ladder to reach the path leading to the Trinity Door.

Trinity Door #3: Grand Exhibition Lobby – In the area with a giant swinging (and burning) chandelier, drop down through the hole in the floor to