While outfits and costumes in Lies of P have little to no effect on the gameplay, they seem to add a bit of elegance that is in good taste. After all, Pinocchio is a puppet, and what good is a game featuring one without a galore of outfits to suit the occasion or mood? Lies of P has plenty to offer in terms of outfits with options that amply define both the Belle Époque period and the underlying steampunk theme.
At times, outfits also tend to go beyond their originally intended cosmetic purpose to help with immersion and world-building. Each Lies of P outfit has a unique gesture as well associated with it. Some of these outfits in Lies of P serve as souvenirs of battle that remain as memories of their original owner and even delve into parts of the story that are not otherwise defined in the playthrough. Regardless of what your perception of Pinocchio is in Lies of P, here is a list of outfits he is able to wear in the game and their location.
Someone’s Memory

This is the earliest outfit you can unlock in the game and is a schoolboy ensemble from the 19th century. Someone’s memory is easily obtained at Hotel Krat when you first meet Lady Antonio and indulge in her reminiscences of the times gone by.
Mad Donkey’s Hunting Apparel

An outfit that perhaps explains more about the man who was wearing it than the brief yet lethal encounter you had with him. This Lies of P outfit can be obtained for defeating the boss Mad Donkey at the Alchemist Bridge.
Survivor Hunting Apparel

This Apparel is worn by a survivor deep within Venigni’s works. You can find this optional boss at the Venigni Works Control room at the Workshop Union Culvert. You can head through the flaming boulder tunnel in the control room to access the area where the Survivor resides.
Blueblood’s tailcoat

You can unlock this unique apparel within the Sanctum room at Venigni Works. The room is locked and you’ll have to go through the King of Riddles questline to find the trinity key that unlocks this room. It is the first riddle found at the Workshop Union Entrance Payphone that unlocks this particular trinity key.
Owl Doctor’s Apparel

This outfit is unlocked by solving a series of puzzles. First, you need to collect the Crafted Cryptic vessel and have Venigni decipher it. This unlocks the decryption which commands you to strike the puppet at the hanging bridge with any throwable object at your disposal.
This, in turn, unlocks a letter that will teleport you to a very familiar location and a very convenient address. The address in question here is right next to the stargazer in the ‘inside the house in Elyssion Boulevard.’ You can enter a brown house to the right of the stargazer and unlock a safe within to acquire this outfit.
Monster Sweeper’s Hunting Apparel

This is yet another outfit in Lies of P that can be unlocked with ease through the King of Riddles questline. The Monster Sweeper’s Hunting Apparel can be found in the Sanctum Room within the St. Frangelico Cathedral Chappel and the corresponding trinity key is found by solving the riddle given at the Malum District payphone.
The Atoned’s Hunting Apparel

This apparel is unlocked after acquiring the Jeweled Cryptic Vessel at the Estella Opera House. Once the Vesel has been decrypted by Venigni you can head to the Krat Central Station Plaza Stargazer and proceed down the stairs after the broken statue.
As you go towards the edge you can see Hotel Krat and a picture of the Jeweled Cryptic Vessel which indicates a special spot somewhere in the ground. You can use the ‘Check Ground’ Gesture which will help you obtain this outfit.
Puppet Prince’s Formal Dress

This regal attire was probably worn by the Puppet King himself when he was just a wee lad. Once you have defeated the swashbuckling yet dramatic King of Puppets Boss at the Estella Opera House, you can strut around in this dashing new piece of outfit.
Robber Weasel’s Hunting Apparel

This unique hunting outfit in Lies of P can be acquired after defeating the optional boss Robber Weasel. She can be found at the Krat Central Station platform after you have completed a certain portion of the game.
Workshop Master’s Workwear

This work clothing is unlocked through a safe in the Sanctum Room in Krat Central Station. This Lies of P outfit is also part of the rewards unlocked in the King of Riddles questline. The payphone with the corresponding riddle for this outfit can be found at Krat Central Station Street.
Black Cat’s Hunting Apparel

This Lies of P outfit can be acquired with a fair bit of ease but will require a bit of legwork and some patience while navigating the Hermit Cave. To get to the cave, you’ll have to first acquire and decrypt the Rusty Cryptic Vesel. Once in the cave, you have to head to its far reaches which can be a tricky affair given the wooden platform-style maze and a couple of powerful enemies, but once you are through it is quite easy. You can simply unlock a safe at the far end of the cave and get the outfit.
Alchemist’s Cape

This is a unique reward you can acquire for completing the King of Riddles questline. Once you have finished all the payphone riddles, you acquire the Chosen One’s Trinity Key which will enable you to head to a secret room at the Arche Abbey Outer Wall. Here you’ll meet Arlecchino, the King of Riddles himself. After you have a profound conversation with him on the current predicament of Krat City, you get to make a difficult choice which regardless of your decision will yield you the Alchemist’s Cape.
Red Fox Hunting Apparel

This outfit is just given to you for doing something unusual (normal by Lies of P standards though). You’ll first need to decrypt the Mechanical Cryptic Vessel which will lead you to the Abandoned House Stargazer. You’ll then need to proceed to the collapsed street and across the two bridges which will lead you to an archway and the image of the Vesel. You can find a wandering merchant here who will be glad to hand over the outfit in exchange for a glimpse of the weapon ‘Frozen Feast’. This weapon can be bought from Alidoro.
White Lady’s Hunting Apparel

This Lies of P outfit can be acquired after defeating Laxasia the complete. After defeating her, you can head to Rosa Isabelle Street Entrance and through the Arche Abbey Outer Wall trap. This will lead you to a stairwell which in turn leads to a bridge if you proceed to the left. At the bridge, you can find test subject 826 who will be happy to let go of the apparel for a sum of 5000 Ergo.