<s>
Hugo	B-Application
II	I-Application
,	I-Application
Whodunit	I-Application
?	I-Application
</s>
<s>
(	O
named	O
Hugo	O
's	O
Mystery	O
Adventure	O
in	O
the	O
Hugo	O
Trilogy	O
re-release	O
)	O
is	O
a	O
parser-based	O
adventure	O
game	O
designed	O
by	O
independent	O
software	O
developer	O
David	O
P	O
.	O
Gray	O
and	O
published	O
as	O
shareware	B-License
by	O
Gray	O
Design	O
Associates	O
in	O
1991	O
.	O
</s>
<s>
It	O
is	O
the	O
sequel	O
to	O
1990	O
's	O
Hugo	B-Application
's	I-Application
House	I-Application
of	I-Application
Horrors	I-Application
,	O
and	O
it	O
was	O
followed	O
by	O
Hugo	B-Application
III	I-Application
,	I-Application
Jungle	I-Application
of	I-Application
Doom	I-Application
!	I-Application
</s>
<s>
Following	O
the	O
events	O
of	O
Hugo	B-Application
's	I-Application
House	I-Application
of	I-Application
Horrors	I-Application
,	O
Hugo	O
and	O
Penelope	O
visit	O
Hugo	O
's	O
Great	O
Uncle	O
Horace	O
at	O
his	O
mansion	O
in	O
England	O
.	O
</s>
<s>
She	O
meets	O
the	O
old	O
man	O
from	O
Hugo	B-Application
's	I-Application
House	I-Application
of	I-Application
Horrors	I-Application
,	O
but	O
having	O
no	O
time	O
for	O
trivia	O
questions	O
,	O
she	O
strikes	O
him	O
across	O
the	O
head	O
.	O
</s>
<s>
Whodunit	O
retains	O
its	O
gameplay	O
from	O
Hugo	B-Application
's	I-Application
House	I-Application
of	I-Application
Horrors	I-Application
.	O
</s>
<s>
The	O
player	O
controls	O
Hugo	O
and	O
Penelope	O
with	O
the	O
arrow	O
keys	O
on	O
the	O
keyboard	O
and	O
enters	O
commands	O
into	O
the	O
text	B-Application
parser	I-Application
to	O
interact	O
with	O
the	O
environment	O
.	O
</s>
<s>
In	O
the	O
Hugo	O
Trilogy	O
release	O
,	O
the	O
text	B-Application
parser	I-Application
is	O
supplemented	O
by	O
a	O
point	O
and	O
click	O
interface	O
.	O
</s>
<s>
Whodunit	O
is	O
also	O
longer	O
than	O
Hugo	B-Application
's	I-Application
House	I-Application
of	I-Application
Horrors	I-Application
with	O
more	O
areas	O
to	O
explore	O
and	O
more	O
puzzles	O
to	O
solve	O
.	O
</s>
<s>
Whodunit	O
was	O
developed	O
as	O
a	O
sequel	O
to	O
Hugo	B-Application
's	I-Application
House	I-Application
of	I-Application
Horrors	I-Application
,	O
which	O
was	O
primarily	O
based	O
on	O
Leisure	B-Device
Suit	I-Device
Larry	I-Device
in	I-Device
the	I-Device
Land	I-Device
of	I-Device
the	I-Device
Lounge	I-Device
Lizards	I-Device
.	O
</s>
<s>
The	O
original	O
DOS	B-Device
game	O
was	O
written	O
in	O
Microsoft	O
Quick	O
C	O
,	O
and	O
the	O
port	O
to	O
Windows	O
was	O
written	O
in	O
Visual	O
C++	O
.	O
</s>
<s>
Gray	O
cited	O
his	O
love	O
of	O
Agatha	B-Application
Christie	I-Application
murder	O
mysteries	O
as	O
a	O
major	O
inspiration	O
of	O
the	O
game	O
's	O
theme	O
,	O
and	O
he	O
said	O
that	O
his	O
choice	O
to	O
give	O
the	O
game	O
a	O
female	O
protagonist	O
was	O
intentional	O
.	O
</s>
<s>
He	O
also	O
describes	O
the	O
game	O
as	O
an	O
example	O
of	O
the	O
second-system	B-General_Concept
effect	I-General_Concept
.	O
</s>
