<s>
Portal	B-Application
is	O
a	O
text-driven	O
adventure	O
with	O
a	O
graphical	O
interface	O
published	O
for	O
the	O
Amiga	B-Device
in	O
1986	O
by	O
Activision	O
.	O
</s>
<s>
Ports	O
to	O
the	O
Commodore	O
64	O
,	O
Apple	B-Device
II	I-Device
,	O
and	O
IBM	O
PC	O
were	O
later	O
released	O
.	O
</s>
<s>
A	O
version	O
for	O
the	O
Atari	B-Device
ST	I-Device
was	O
announced	O
and	O
developed	O
,	O
but	O
not	O
published	O
.	O
</s>
<s>
Until	O
recently	O
,	O
it	O
was	O
thought	O
that	O
a	O
Macintosh	B-Device
version	O
was	O
similarly	O
developed	O
yet	O
left	O
unpublished	O
.	O
</s>
<s>
The	O
published	O
Macintosh	B-Device
version	O
was	O
rediscovered	O
in	O
2021	O
by	O
a	O
game	O
collector	O
.	O
</s>
<s>
The	O
player	O
happens	O
upon	O
a	O
barely	O
functioning	O
computer	O
terminal	O
that	O
is	O
tied	O
into	O
a	O
storytelling	O
mainframe	B-Architecture
,	O
Homer	B-Protocol
.	O
</s>
<s>
Through	O
this	O
interface	O
,	O
the	O
player	O
,	O
assisted	O
by	O
Homer	B-Protocol
who	O
attempts	O
to	O
weave	O
the	O
information	O
into	O
a	O
coherent	O
narrative	O
,	O
discovers	O
information	O
in	O
order	O
to	O
piece	O
together	O
the	O
occurrences	O
leading	O
to	O
the	O
disappearance	O
of	O
the	O
human	O
race	O
.	O
</s>
<s>
Info	O
gave	O
the	O
Commodore	O
64	O
version	O
of	O
Portal	B-Application
five	O
stars	O
out	O
of	O
five	O
,	O
describing	O
it	O
as	O
"	O
engrossing	O
,	O
fascinating	O
,	O
and	O
somewhat	O
disturbing	O
...	O
like	O
a	O
murder	O
mystery	O
,	O
an	O
expedition	O
,	O
and	O
having	O
amnesia	O
all	O
rolled	O
into	O
one	O
"	O
.	O
</s>
<s>
The	O
Amiga	B-Device
version	O
,	O
using	O
a	O
mouse	O
,	O
was	O
considered	O
superior	O
to	O
that	O
of	O
the	O
C64	O
,	O
and	O
only	O
bothered	O
the	O
reviewer	O
by	O
way	O
of	O
slowing	O
down	O
the	O
reading	O
of	O
the	O
story	O
.	O
</s>
<s>
A	O
hardcover	O
novel	O
,	O
titled	O
Portal	B-Application
:	O
A	O
Dataspace	O
Retrieval	O
(	O
1988	O
)	O
and	O
composed	O
mostly	O
of	O
the	O
text	O
from	O
the	O
interactive	O
novel	O
with	O
some	O
new	O
additions	O
,	O
was	O
written	O
by	O
the	O
same	O
author	O
,	O
Rob	O
Swigart	O
,	O
and	O
first	O
published	O
by	O
St.	O
Martin	O
's	O
Press	O
.	O
</s>
<s>
It	O
takes	O
the	O
form	O
of	O
a	O
series	O
of	O
notes	O
on	O
different	O
subjects	O
,	O
in	O
an	O
order	O
the	O
player	O
would	O
encounter	O
them	O
through	O
Homer	B-Protocol
.	O
</s>
<s>
In	O
April	O
2012	O
,	O
author	O
Rob	O
Swigart	O
and	O
Subliminal	O
Games	O
launched	O
a	O
Kickstarter	O
fundraising	O
campaign	O
called	O
"	O
Rob	O
Swigart	O
's	O
Portal	B-Application
(	O
1986	O
)	O
Reborn	O
"	O
to	O
recreate	O
the	O
world	O
of	O
Portal	B-Application
as	O
a	O
modern	O
third-person	O
adventure	O
game	O
.	O
</s>
