<s>
Mystery	B-Application
Fun	I-Application
House	I-Application
is	O
a	O
text	O
adventure	O
game	O
written	O
by	O
Scott	O
Adams	O
,	O
"	O
Adventure	O
7	O
"	O
in	O
the	O
series	O
released	O
by	O
Adventure	O
International	O
.	O
</s>
<s>
The	O
player	O
explores	O
a	O
fun	B-Application
house	I-Application
explore	O
to	O
locate	O
a	O
set	O
of	O
secret	O
plans	O
,	O
solving	O
puzzles	O
along	O
the	O
way	O
.	O
</s>
<s>
Mystery	B-Application
Fun	I-Application
House	I-Application
was	O
produced	O
in	O
only	O
one	O
week	O
and	O
was	O
among	O
the	O
most	O
difficult	O
games	O
in	O
the	O
series	O
.	O
</s>
<s>
A	O
ZX	B-Operating_System
Spectrum	I-Operating_System
version	O
was	O
planned	O
but	O
never	O
released	O
.	O
</s>
<s>
The	O
player	O
of	O
this	O
game	O
must	O
navigate	O
through	O
a	O
maze	O
and	O
a	O
shooting	O
gallery	O
,	O
charm	O
a	O
mermaid	O
,	O
and	O
turn	O
off	O
a	O
steam	O
calliope	O
that	O
is	O
so	O
loud	O
the	O
player	O
's	O
instructions	O
are	O
misunderstood	O
–	O
a	O
reference	O
to	O
the	O
"	O
Loud	O
Room	O
"	O
in	O
Zork	B-Application
I	I-Application
.	O
</s>
<s>
Violent	O
solutions	O
to	O
puzzles	O
are	O
discouraged	O
by	O
a	O
gameplay	O
feature	O
which	O
sees	O
the	O
player	O
character	O
ejected	O
from	O
the	O
fun	B-Application
house	I-Application
by	O
a	O
bouncer	O
whenever	O
certain	O
commands	O
are	O
typed	O
.	O
</s>
<s>
Electronic	O
Games	O
in	O
1981	O
warned	O
against	O
beginners	O
to	O
adventure	O
games	O
playing	O
Mystery	B-Application
Fun	I-Application
House	I-Application
because	O
of	O
the	O
difficulty	O
,	O
but	O
stated	O
that	O
for	O
others	O
it	O
"	O
should	O
provide	O
a	O
rousing	O
good	O
time	O
"	O
.	O
</s>
<s>
Mystery	B-Application
Fun	I-Application
House	I-Application
was	O
among	O
a	O
number	O
of	O
classic	O
Scott	O
Adams	O
adventures	O
made	O
available	O
for	O
free	O
download	O
by	O
non-profit	O
gaming	O
organisation	O
Infinite	O
Frontiers	O
in	O
2003	O
.	O
</s>
