YES


I couldn't let my drive to finish uncompleted games from my Amstrad days go without attempting brain-melting multi-layered puzzle-onion Masterspy... I think I spent about eight hours on this today.

Some helpful notes:

Brain-Flash-Guts-Nosy

Telephones - LIES

Telephones tell the truth
A letter would advise you to mistrust Brain
The car ticket will buy freedom through the oblong door
Letters tell lies
The bus ticket will buy freedom through the oval door
A ticket in Stepping Stones will buy freedom through the oval door
Telephones never lie
The ship ticket cannot be used
A ticket in Snakes and Ladders will buy freedom through the circular door
The square door provides no escape
Letters tell lies

Radios - LIES

A ticket in Snakes and Ladders will buy freedom through the bell shaped door
Radios never lie
The heart shaped door provides no escape
The plane ticket will enable an agent to escape
Letters tell lies
Radios tell the truth
The bus ticket will allow an agent to escape
The oval door provides no escape
A ticket in Potholes will buy freedom through the oblong door
A ticket in Potholes will buy freedom through the arched door

Letters - TRUTH

A telephone would advise you to mistrust Flash
The plane ticket cannot be used
A ticket in the underground railway will buy freedom through the oval door
The arched door provides no escape
Radios tell lies
The circular door provides no escape
Letters tell the truth
The motorcycle ticket will allow an agent to escape
The car ticket cannot be used

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Radios: The plane ticket will enable an agent to escape
Letters: The plane ticket cannot be used
One of these much be the truth, therefore telephones must be lying...
Telephone: "Letters tell lies", therefore letters are telling the truth

Therefore:

A telephone (liar) would advise you to mistrust Flash, so Flash is OK
The plane ticket cannot be used
Balloon or ??? ticket in Underground Railway (Flash) goes to oval door in Snakes and Ladders (Nosy)
Arched door cannot be used
Circular door cannot be used
Motorcycle ticket can be used
Telephones tell the truth
Lie: A letter (truth) would advise you to mistrust Brain - it's not Brain
Lie: The car ticket will buy freedom through the oblong door
Lie: The bus ticket will buy freedom through the oval door
Lie: A ticket in Stepping the string owls will kill you while you sleep Stones will buy freedom through the oval door
Lie: The ship ticket cannot be used
Lie: A ticket in Snakes and Ladders will buy freedom through the circular door
Lie: The square door provides no escape
Lie: A ticket in Snakes and Ladders will buy freedom through the bell shaped door - must be triangular, then
Lie: The heart shaped door provides no escape
Lie: The plane ticket will enable an agent to escape
Lie: The bus ticket will allow an agent to escape
Lie: The oval door provides no escape
Lie: A ticket in Potholes will buy freedom through the oblong door
Lie: The car ticket cannot be used
Lie: A ticket in Potholes will buy freedom through the arched door
---

Mole:

NOT Brain
NOT Flash
Guts?
Nosy?

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Tickets and doors:

Motorcycle ticket in Stepping Stones (Guts) goes to heart door in Underground Railway (Flash)
Ship ticket in Potholes (Brain) goes to Square door in Stepping Stones (Guts)
Train ticket in Snakes and Ladders (Nosy) goes to triangular door in Potholes (Brain)
(balloon or ???) ticket in Underground Railway (Flash) goes to oval door in Snakes and Ladders (Nosy)

In Underground Railway: (Eastminster with 1) > F > G > R > AJ

You will need (mentions):

O Motorcycle
O Ship
O Train
O Heart
O Square
O Triangular
O Oval

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Uncollected clues in Underground Railway...

XXXXX
XXXXX
XX.XX
XXXXX

D3, 3rd floor west AE > AH
Nailsmith 1st floor 2nd compartment AF > AE
Nailsmith 2nd floor right 3AR > AQ > AO > AP > AL > 3AG > AF

Done:

B3, 3rd west side AR > AT > 2Y > Z > AA > AB
E3, 1st floor east Z > AA > AB > AD
B1, 4th east side Z > AA > AB > AD > V

B2, 4th centre A > 3B > C > 4D > I > B > K > L > M > S
C2, 2nd floor west M
E1, 2nd east side F > G > R > Q > P > T > N

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Map:

POTHOLES
O Ship ticket on bottomish middle screen
Triangular door - bottomish right
Bell door - toppish right
X Car ticket - top right

STEPPING STONES
O Motorcycle ticket - top left
X Bus ticket - toppish left
X Arched door - top rightish
O Square door - bottom left

UNDERGROUND RAILWAY
X Circular door - Yard End, bottom left?
Balloon ticket - Dukes Court
O Heart door - Turnham Red
Helicopter ticket - ???

SNAKES AND LADDERS
O Train ticket - top right
X Plane ticket - bottomish right
X Oblong door - bottom right
O Oval door - bottom rightish

Notice the "2nd class" note, which is a bit of additional challenge which can bog right off - you get "1st class" by completing an entire puzzle without saving. In this particular game I saved seventy-three times.