<s>
The	B-Application
Dark	I-Application
Heart	I-Application
of	I-Application
Uukrul	I-Application
is	O
a	O
first-person	O
perspective	O
,	O
turn-based	O
fantasy	B-Application
computer	O
role-playing	O
game	O
written	O
by	O
Ian	O
Boswell	O
and	O
Martin	O
Buis	O
of	O
Digital	O
Studios	O
Limited	O
,	O
and	O
published	O
by	O
Broderbund	O
,	O
and	O
later	O
re-published	O
by	O
Moon	O
Books	O
Publishing	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
in	O
1989	O
on	O
the	O
Apple	B-Device
II	I-Device
and	O
in	O
1990	O
on	O
the	O
IBM	O
PC	O
;	O
in	O
2020	O
it	O
was	O
made	O
available	O
on	O
GOG.com	O
.	O
</s>
<s>
In	O
DOS	B-Device
it	O
supported	O
CGA	O
,	O
EGA	O
and	O
VGA	O
graphics	O
.	O
</s>
<s>
The	O
game	O
has	O
neither	O
music	O
nor	O
sound	O
in	O
both	O
Apple	B-Device
II	I-Device
and	O
DOS	B-Device
platforms	O
.	O
</s>
<s>
The	B-Application
Dark	I-Application
Heart	I-Application
of	I-Application
Uukrul	I-Application
was	O
unsuccessful	O
,	O
selling	O
fewer	O
than	O
5,000	O
copies	O
despite	O
good	O
reviews	O
.	O
</s>
<s>
According	O
to	O
Boswell	O
,	O
Broderbund	O
—	O
not	O
known	O
for	O
computer	O
RPGs	O
—	O
did	O
not	O
market	O
or	O
advertise	O
the	O
game	O
,	O
launched	O
at	O
the	O
end	O
of	O
the	O
Apple	B-Device
II	I-Device
's	O
life	O
.	O
</s>
<s>
The	B-Application
Dark	I-Application
Heart	I-Application
of	I-Application
Uukrul	I-Application
was	O
considered	O
to	O
be	O
abandonware	O
for	O
many	O
years	O
until	O
a	O
fan	O
named	O
Scott	O
"	O
Kill0byt3	O
"	O
Greig	O
was	O
able	O
to	O
get	O
in	O
touch	O
with	O
the	O
original	O
developers	O
and	O
re-release	O
it	O
on	O
GOG.com	O
in	O
2020	O
.	O
</s>
