<s>
Hack	B-Application
is	O
a	O
1984	O
roguelike	O
video	O
game	O
that	O
introduced	O
shops	O
as	O
gameplay	O
elements	O
and	O
expanded	O
available	O
monsters	O
,	O
items	O
,	O
and	O
spells	O
.	O
</s>
<s>
It	O
later	O
became	O
the	O
basis	O
for	O
NetHack	B-Application
.	O
</s>
<s>
Hack	B-Application
was	O
created	O
in	O
1982	O
by	O
Jay	O
Fenlason	O
with	O
the	O
assistance	O
of	O
Kenny	O
Woodland	O
,	O
Mike	O
Thome	O
,	O
and	O
Jonathan	O
Payne	O
,	O
while	O
students	O
at	O
Lincoln-Sudbury	O
Regional	O
High	O
School	O
.	O
</s>
<s>
A	O
greatly	O
extended	O
version	O
was	O
first	O
released	O
on	O
Usenet	B-Application
in	O
1984	O
by	O
Andries	O
Brouwer	O
.	O
</s>
<s>
Brouwer	O
continued	O
to	O
work	O
on	O
Hack	B-Application
until	O
July	O
1985	O
.	O
</s>
<s>
Don	O
Kneller	O
ported	O
the	O
game	O
to	O
MS-DOS	B-Application
and	O
continued	O
development	O
there	O
.	O
</s>
<s>
Development	O
on	O
all	O
Hack	B-Application
versions	O
ended	O
within	O
a	O
few	O
years	O
.	O
</s>
<s>
Hack	B-Application
descendant	O
NetHack	B-Application
was	O
released	O
in	O
1987	O
.	O
</s>
<s>
Hack	B-Application
is	O
still	O
available	O
for	O
Unix	O
,	O
and	O
is	O
distributed	O
alongside	O
many	O
modern	O
Unix-like	O
OSes	O
,	O
including	O
Debian	O
,	O
Ubuntu	B-Operating_System
,	O
the	O
BSDs	O
,	O
Fedora	O
,	O
and	O
others	O
.	O
</s>
<s>
Hack	B-Application
has	O
also	O
been	O
ported	O
to	O
a	O
variety	O
of	O
non-Unix-based	O
platforms	O
.	O
</s>
<s>
NetHack	B-Application
is	O
available	O
for	O
almost	O
all	O
platforms	O
which	O
run	O
Hack	B-Application
.	O
</s>
<s>
There	O
is	O
one	O
exception	O
:	O
Hack	B-Application
is	O
available	O
,	O
but	O
NetHack	B-Application
is	O
unavailable	O
,	O
for	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
.	O
</s>
<s>
In	O
NetHack	B-Application
,	O
Hell	O
is	O
renamed	O
.	O
</s>
<s>
Hack	B-Application
implements	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
using	O
arrangements	O
of	O
ASCII	B-Protocol
or	O
Extended	B-Protocol
ASCII	I-Protocol
glyphs	O
to	O
represent	O
game	O
elements	O
.	O
</s>
<s>
Some	O
later	O
ports	O
of	O
Hack	B-Application
,	O
on	O
AmigaOS	B-Application
for	O
example	O
,	O
use	O
graphical	O
tiles	O
in	O
place	O
of	O
these	O
letters	O
and	O
symbols	O
.	O
</s>
