<s>
Ultima	B-Application
IV	I-Application
:	I-Application
Quest	I-Application
of	I-Application
the	I-Application
Avatar	I-Application
,	O
first	O
released	O
in	O
1985	O
for	O
the	O
Apple	B-Device
II	I-Device
,	O
is	O
the	O
fourth	O
in	O
the	O
series	O
of	O
Ultima	O
role-playing	O
video	O
games	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
in	O
the	O
"	O
Age	O
of	O
Enlightenment	O
"	O
trilogy	O
,	O
shifting	O
the	O
series	O
from	O
the	O
hack	B-Application
and	I-Application
slash	I-Application
,	O
dungeon	O
crawl	O
gameplay	O
of	O
its	O
"	O
Age	O
of	O
Darkness	O
"	O
predecessors	O
towards	O
an	O
ethically-nuanced	O
,	O
story-driven	O
approach	O
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
has	O
a	O
much	O
larger	O
game	O
world	O
than	O
its	O
predecessors	O
,	O
with	O
an	O
overworld	O
map	O
sixteen	O
times	O
the	O
size	O
of	O
Ultima	B-Application
III	I-Application
and	O
puzzle-filled	O
dungeon	O
rooms	O
to	O
explore	O
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
further	O
advances	O
the	O
franchise	O
with	O
dialog	O
improvements	O
,	O
new	O
means	O
of	O
travel	O
and	O
exploration	O
,	O
and	O
world	O
interactivity	O
.	O
</s>
<s>
In	O
1996	O
Computer	O
Gaming	O
World	O
named	O
Ultima	B-Application
IV	I-Application
as	O
#2	O
on	O
its	O
Best	O
Games	O
of	O
All	O
Time	O
list	O
on	O
the	O
PC	O
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
was	O
followed	O
by	O
the	O
release	O
of	O
Ultima	B-Application
V	I-Application
:	I-Application
Warriors	I-Application
of	I-Application
Destiny	I-Application
in	O
1988	O
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
is	O
among	O
the	O
few	O
role-playing	O
games	O
,	O
and	O
perhaps	O
the	O
first	O
,	O
in	O
which	O
the	O
game	O
's	O
story	O
does	O
not	O
center	O
on	O
asking	O
a	O
player	O
character	O
to	O
overcome	O
a	O
tangible	O
ultimate	O
evil	O
.	O
</s>
<s>
Eventually	O
the	O
world	O
,	O
now	O
unified	O
under	O
Lord	B-Application
British	I-Application
's	O
rule	O
,	O
was	O
renamed	O
Britannia	O
.	O
</s>
<s>
Lord	B-Application
British	I-Application
felt	O
the	O
people	O
lacked	O
purpose	O
after	O
their	O
great	O
struggles	O
against	O
the	O
Triad	O
were	O
over	O
,	O
and	O
he	O
was	O
concerned	O
with	O
their	O
spiritual	O
well-being	O
in	O
this	O
unfamiliar	O
new	O
age	O
of	O
relative	O
peace	O
,	O
so	O
he	O
proclaimed	O
the	O
Quest	O
of	O
the	O
Avatar	B-Application
:	O
He	O
needed	O
someone	O
to	O
step	O
forth	O
and	O
become	O
the	O
shining	O
example	O
for	O
others	O
to	O
follow	O
.	O
</s>
<s>
Unlike	O
most	O
other	O
RPGs	O
the	O
game	O
is	O
not	O
set	O
in	O
an	O
"	O
age	O
of	O
darkness	O
"	O
;	O
prosperous	O
Britannia	O
resembles	O
Renaissance	O
Italy	O
,	O
or	O
King	B-Application
Arthur	I-Application
's	O
Camelot	O
.	O
</s>
<s>
After	O
proving	O
his	O
or	O
her	O
understanding	O
in	O
each	O
of	O
the	O
Virtues	O
,	O
locating	O
several	O
artifacts	O
and	O
finally	O
descending	O
into	O
the	O
dungeon	O
called	O
the	O
Stygian	B-Application
Abyss	O
to	O
gain	O
access	O
to	O
the	O
Codex	O
of	O
Ultimate	O
Wisdom	O
,	O
the	O
protagonist	O
becomes	O
an	O
Avatar	B-Application
.	O
</s>
<s>
Though	O
Avatarhood	O
is	O
not	O
exclusive	O
to	O
one	O
chosen	O
person	O
,	O
the	O
hero	O
remains	O
the	O
only	O
known	O
Avatar	B-Application
throughout	O
the	O
later	O
games	O
,	O
and	O
as	O
time	O
passes	O
he	O
is	O
increasingly	O
regarded	O
as	O
a	O
myth	O
.	O
</s>
<s>
For	O
example	O
,	O
choosing	O
Compassion	O
creates	O
a	O
Bard	B-Application
,	O
Honor	O
a	O
Paladin	O
,	O
Sacrifice	O
a	O
Tinker	B-Application
,	O
and	O
so	O
on	O
.	O
</s>
<s>
Although	O
each	O
profession	O
embodies	O
a	O
particular	O
Virtue	O
,	O
to	O
become	O
an	O
Avatar	B-Application
the	O
player	O
must	O
achieve	O
enlightenment	O
in	O
all	O
eight	O
virtues	O
.	O
</s>
<s>
The	O
seer	O
Hawkwind	O
in	O
Lord	B-Application
British	I-Application
's	O
castle	O
provides	O
the	O
player	O
with	O
feedback	O
on	O
their	O
progress	O
in	O
the	O
Virtues	O
,	O
offering	O
advice	O
for	O
actions	O
that	O
will	O
improve	O
their	O
standing	O
in	O
each	O
of	O
the	O
Eight	O
Virtues	O
,	O
informing	O
them	O
when	O
they	O
are	O
ready	O
to	O
visit	O
a	O
shrine	O
for	O
elevation	O
,	O
or	O
chastising	O
the	O
character	O
if	O
they	O
"	O
hath	O
strayed	O
far	O
from	O
the	O
path	O
of	O
the	O
Avatar	B-Application
"	O
.	O
</s>
<s>
Technically	O
,	O
the	O
game	O
was	O
very	O
similar	O
to	O
Ultima	B-Application
III	I-Application
:	I-Application
Exodus	I-Application
,	O
although	O
much	O
larger	O
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
is	O
an	O
open	O
world	O
game	O
;	O
most	O
quests	O
can	O
be	O
completed	O
in	O
any	O
order	O
.	O
</s>
<s>
The	O
Eight	O
Virtues	O
of	O
the	O
Avatar	B-Application
,	O
their	O
relationship	O
to	O
the	O
Three	O
Principles	O
of	O
Truth	O
,	O
Love	O
,	O
and	O
Courage	O
,	O
and	O
how	O
gameplay	O
has	O
been	O
designed	O
around	O
them	O
are	O
as	O
follows	O
:	O
</s>
<s>
This	O
Virtue	O
is	O
embodied	O
by	O
Iolo	O
the	O
Bard	B-Application
.	O
</s>
<s>
This	O
Virtue	O
is	O
embodied	O
by	O
Julia	O
the	O
Tinker	B-Application
.	O
</s>
<s>
In	O
the	O
NES	B-Language
port	O
,	O
she	O
was	O
replaced	O
with	O
a	O
male	O
character	O
named	O
Julius	O
.	O
</s>
<s>
After	O
his	O
own	O
company	O
released	O
Ultima	B-Application
III	I-Application
,	O
Garriott	O
—	O
who	O
attended	O
an	O
interdenominational	O
Christian	O
Sunday	O
School	O
as	O
a	O
teenager	O
—	O
realized	O
(	O
partly	O
from	O
letters	O
of	O
enraged	O
parents	O
)	O
that	O
in	O
the	O
earlier	O
games	O
,	O
immoral	O
actions	O
like	O
stealing	O
and	O
murder	O
of	O
peaceful	O
citizens	O
had	O
been	O
necessary	O
or	O
at	O
least	O
very	O
useful	O
actions	O
in	O
order	O
to	O
win	O
the	O
game	O
,	O
and	O
that	O
such	O
features	O
might	O
be	O
objectionable	O
.	O
</s>
<s>
He	O
said	O
,	O
"	O
Ultima	B-Application
IV	I-Application
was	O
the	O
first	O
one	O
that	O
had	O
ethical	O
overtones	O
in	O
it	O
,	O
and	O
it	O
also	O
was	O
just	O
a	O
better-told	O
story.	O
"	O
</s>
<s>
Decades	O
after	O
the	O
game	O
's	O
release	O
,	O
1UP.com	O
described	O
Ultima	B-Application
IV	I-Application
as	O
"	O
a	O
direct	O
barb	O
at	O
the	O
self-appointed	O
moral	O
crusaders	O
who	O
sought	O
to	O
demonize	O
RPGs	O
"	O
and	O
complained	O
that	O
"	O
the	O
irony	O
in	O
seeing	O
an	O
'	O
evil	O
 '	O
RPG	O
better	O
present	O
the	O
Christian	O
admonition	O
to	O
back	O
faith	O
with	O
works	O
in	O
quiet	O
modesty	O
than	O
the	O
Bible-waving	O
watchdog	O
decrying	O
the	O
medium	O
seems	O
to	O
have	O
been	O
lost	O
"	O
.	O
</s>
<s>
The	O
concept	O
of	O
virtues	O
was	O
inspired	O
by	O
a	O
TV	O
show	O
about	O
the	O
Avatars	B-Application
of	O
Hindu	O
mythology	O
,	O
which	O
described	O
the	O
avatars	B-Application
as	O
having	O
to	O
master	O
16	O
virtues	O
.	O
</s>
<s>
The	O
game	O
took	O
two	O
years	O
to	O
develop	O
,	O
twice	O
that	O
of	O
both	O
Ultima	B-Application
II	I-Application
and	O
Ultima	B-Application
III	I-Application
.	O
</s>
<s>
Like	O
contemporary	O
Origin	O
games	O
,	O
Ultima	B-Application
IV	I-Application
was	O
developed	O
for	O
the	O
Apple	B-Device
II	I-Device
series	I-Device
,	O
then	O
ported	O
to	O
other	O
computers	O
,	O
partially	O
because	O
Garriott	O
himself	O
was	O
an	O
Apple	B-Device
II	I-Device
user/coder	O
,	O
partially	O
because	O
this	O
made	O
ports	O
easier	O
.	O
</s>
<s>
Garriott	O
said	O
in	O
1984	O
that	O
the	O
Commodore	O
64	O
and	O
Atari	B-Device
8-bit	I-Device
'	O
s	O
sprites	O
and	O
hardware	O
sound	O
chips	O
made	O
porting	O
from	O
them	O
to	O
Apple	O
"	O
far	O
more	O
difficult	O
,	O
perhaps	O
even	O
impossible	O
...	O
the	O
Apple	O
version	O
will	O
never	O
get	O
done	O
"	O
.	O
</s>
<s>
Like	O
previous	O
games	O
,	O
Ultima	B-Application
IV	I-Application
does	O
not	O
permit	O
saving	O
in	O
dungeons	O
because	O
of	O
technical	O
limitations	O
that	O
Garriott	O
described	O
as	O
"	O
non-trivial	O
"	O
.	O
</s>
<s>
The	O
ankh	B-Application
used	O
as	O
the	O
symbol	O
of	O
the	O
Avatar	B-Application
's	O
virtuous	O
path	O
,	O
was	O
chosen	O
after	O
Garriott	O
saw	O
it	O
in	O
the	O
film	O
Logan	O
's	O
Run	O
.	O
</s>
<s>
Garriott	O
said	O
in	O
a	O
1985	O
interview	O
that	O
he	O
was	O
working	O
on	O
both	O
Ultima	B-Application
IV	I-Application
:	O
Part	O
2	O
and	O
Ultima	B-Application
V	I-Application
.	O
Eventually	O
,	O
only	O
Ultima	B-Application
V	I-Application
realized	O
.	O
</s>
<s>
Like	O
previous	O
Ultimas	O
,	O
Richard	O
Garriott	O
wrote	O
most	O
of	O
the	O
core	O
code	O
himself	O
;	O
however	O
,	O
as	O
the	O
games	O
were	O
getting	O
too	O
complex	O
for	O
one	O
person	O
to	O
handle	O
,	O
he	O
was	O
required	O
to	O
call	O
in	O
outside	O
assistance	O
for	O
programming	O
tasks	O
he	O
was	O
not	O
familiar	O
with	O
,	O
such	O
as	O
music	O
and	O
optimized	O
disk	B-Device
routines	O
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
was	O
the	O
first	O
game	O
in	O
the	O
series	O
to	O
require	O
a	O
64k	O
Apple	B-Device
II	I-Device
and	O
primarily	O
targeted	O
the	O
newer	O
Apple	B-Device
IIe	I-Device
and	O
IIc	O
,	O
although	O
it	O
could	O
still	O
run	O
on	O
an	O
Apple	O
II+	O
if	O
a	O
language	O
card	O
was	O
used	O
to	O
boost	O
the	O
system	O
to	O
64k	O
(	O
Garriott	O
himself	O
was	O
still	O
using	O
a	O
II+	O
at	O
this	O
time	O
)	O
.	O
</s>
<s>
As	O
had	O
happened	O
with	O
Ultima	B-Application
III	I-Application
,	O
Ultima	B-Application
IV	I-Application
also	O
included	O
support	O
for	O
the	O
Mockingboard	O
sound	B-Device
card	I-Device
,	O
which	O
enabled	O
Apple	B-Device
II	I-Device
users	O
to	O
have	O
3-voice	O
music	O
.	O
</s>
<s>
Custom	O
disk	B-Device
routines	O
allowed	O
Ultima	B-Application
IV	I-Application
to	O
have	O
faster	O
disk	B-Device
access	O
than	O
the	O
previous	O
games	O
,	O
which	O
was	O
also	O
important	O
as	O
the	O
growing	O
size	O
of	O
the	O
game	O
caused	O
it	O
to	O
now	O
use	O
two	O
floppy	B-Device
disks	I-Device
instead	O
of	O
one	O
.	O
</s>
<s>
The	O
dialog	O
of	O
two	O
NPCs	O
in	O
the	O
Apple	B-Device
II	I-Device
release	O
were	O
accidentally	O
not	O
entered	O
,	O
leaving	O
them	O
in	O
their	O
default	O
test	O
states	O
.	O
</s>
<s>
This	O
bug	B-Error_Name
would	O
later	O
be	O
acknowledged	O
in	O
Ultima	B-Application
V	I-Application
,	O
where	O
the	O
NPC	O
appears	O
again	O
and	O
admits	O
his	O
mistake	O
to	O
the	O
player	O
.	O
</s>
<s>
The	O
Commodore	O
64	O
port	O
was	O
the	O
first	O
in	O
the	O
series	O
to	O
take	O
full	O
advantage	O
of	O
the	O
computer	O
's	O
hardware	O
rather	O
than	O
simply	O
converting	O
the	O
sound	O
and	O
graphics	O
from	O
the	O
Apple	B-Device
II	I-Device
,	O
and	O
include	O
in-game	O
music	O
.	O
</s>
<s>
It	O
came	O
on	O
two	O
1541	O
disks	B-Device
and	O
like	O
the	O
Apple	B-Device
II	I-Device
,	O
Side	O
1	O
of	O
Disk	B-Device
1	O
(	O
labeled	O
"	O
Program	O
"	O
)	O
was	O
copy	B-Application
protected	I-Application
while	O
the	O
other	O
disk	B-Device
sides	O
(	O
"	O
Overworld	O
"	O
,	O
"	O
Town	O
"	O
,	O
and	O
"	O
Dungeon	O
"	O
)	O
were	O
not	O
and	O
the	O
user	O
was	O
instructed	O
to	O
make	O
backups	B-Protocol
of	O
them	O
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
also	O
added	O
support	O
for	O
two	O
disk	B-Device
drives	I-Device
,	O
in	O
which	O
case	O
the	O
user	O
would	O
keep	O
the	O
Overworld	O
side	O
of	O
Disk	B-Device
1	O
in	O
Drive	O
0	O
and	O
flip	O
the	O
Town/Dungeon	O
disk	B-Device
as	O
needed	O
in	O
Drive	O
1	O
.	O
</s>
<s>
The	O
Overworld	O
disk	B-Device
is	O
also	O
used	O
to	O
load/save	O
the	O
player	O
's	O
progress	O
.	O
</s>
<s>
One	O
of	O
the	O
biggest	O
criticisms	O
of	O
the	O
C64	O
port	O
was	O
a	O
lack	O
of	O
any	O
disk	B-Device
fast	B-Device
loader	I-Device
,	O
which	O
made	O
for	O
extremely	O
slow	O
disk	B-Device
access	O
against	O
the	O
speed-optimized	O
disk	B-Device
routines	O
in	O
the	O
Apple	O
version	O
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
was	O
the	O
final	O
game	O
in	O
the	O
series	O
ported	O
to	O
the	O
Atari	B-Device
8-bit	I-Device
family	I-Device
.	O
</s>
<s>
The	O
game	O
is	O
still	O
designed	O
to	O
support	O
a	O
48K	O
Atari	B-Device
800	I-Device
even	O
though	O
four	O
models	O
of	O
64K/128K	O
Atari	B-Device
8-bit	I-Device
computers	I-Device
had	O
been	O
released	O
,	O
and	O
one	O
64K-upgradable	O
model	O
,	O
starting	O
two	O
and	O
a	O
half	O
years	O
earlier	O
.	O
</s>
<s>
In	O
order	O
to	O
fit	O
the	O
game	O
in	O
48K	O
,	O
the	O
Atari	B-Device
8-bit	I-Device
version	O
cut	O
out	O
music	O
support	O
.	O
</s>
<s>
The	O
reason	O
48K	O
was	O
made	O
the	O
requirement	O
instead	O
of	O
the	O
64K	O
requirement	O
of	O
the	O
Apple	B-Device
II	I-Device
version	O
is	O
that	O
,	O
whereas	O
the	O
earliest	O
Apple	B-Device
II	I-Device
models	O
were	O
upgradable	O
to	O
64K	O
,	O
the	O
Atari	O
400/800	O
were	O
only	O
officially	O
upgradable	O
to	O
48K	O
.	O
</s>
<s>
Since	O
the	O
Apple	O
version	O
was	O
programmed	O
to	O
require	O
64K	O
,	O
and	O
the	O
Apple	O
6502	O
code	O
was	O
ported	O
to	O
create	O
the	O
Atari	B-Device
8-bit	I-Device
(	O
and	O
Commodore	O
64	O
)	O
version	O
,	O
it	O
would	O
have	O
required	O
extra	O
programming	O
to	O
selectively	O
use	O
48K/64K	O
,	O
by	O
including	O
music	O
support	O
only	O
for	O
64K	O
machines	O
.	O
</s>
<s>
Since	O
the	O
Atari	B-Device
8-bit	I-Device
market	O
was	O
the	O
smallest	O
installed	O
bases	O
that	O
the	O
game	O
was	O
initially	O
released	O
for	O
,	O
this	O
special	O
support	O
was	O
not	O
provided	O
.	O
</s>
<s>
For	O
similar	O
reasons	O
,	O
the	O
game	O
was	O
distributed	O
on	O
the	O
earliest	O
90k	O
Atari	O
810	O
disk	B-Device
format	O
,	O
so	O
as	O
not	O
to	O
require	O
a	O
disk	B-Device
drive	I-Device
upgrade	O
for	O
any	O
players	O
,	O
thus	O
it	O
occupies	O
four	O
disks	B-Device
instead	O
of	O
two	O
disks	B-Device
,	O
as	O
with	O
the	O
Apple	B-Device
II	I-Device
and	O
Commodore	O
64	O
versions	O
.	O
</s>
<s>
Similar	O
to	O
the	O
C64	O
port	O
,	O
the	O
IBM	O
version	O
of	O
Ultima	B-Application
IV	I-Application
,	O
released	O
two	O
years	O
after	O
the	O
8-bit	O
versions	O
,	O
takes	O
proper	O
advantage	O
of	O
the	O
hardware	O
for	O
the	O
first	O
time	O
instead	O
of	O
being	O
a	O
rushed	O
conversion	O
from	O
the	O
Apple	B-Device
II	I-Device
.	O
</s>
<s>
EGA	B-Device
and	O
Tandy	O
graphics	O
support	O
is	O
added	O
,	O
as	O
well	O
as	O
proper	O
hard	O
disk	B-Device
support	O
(	O
the	O
game	O
finally	O
supported	O
DOS	B-Device
2.x	O
and	O
subdirectories	O
)	O
.	O
</s>
<s>
The	O
Atari	B-Device
ST	I-Device
version	O
of	O
Ultima	B-Application
IV	I-Application
was	O
not	O
released	O
until	O
1987	O
,	O
and	O
the	O
Amiga	B-Device
version	O
not	O
until	O
1988	O
.	O
</s>
<s>
In	O
particular	O
,	O
the	O
Amiga	B-Device
version	O
has	O
only	O
16-color	O
graphics	O
although	O
the	O
Amiga	B-Device
could	O
display	O
64	O
on	O
screen	O
,	O
without	O
using	O
the	O
Copper	O
processor	O
to	O
make	O
color	O
palette	O
changes	O
.	O
</s>
<s>
However	O
,	O
the	O
Atari	B-Device
ST	I-Device
version	O
does	O
support	O
MIDI	O
for	O
the	O
music	O
,	O
so	O
that	O
one	O
could	O
play	O
the	O
music	O
on	O
a	O
connected	O
MIDI	O
synthesizer	O
or	O
sampler	O
.	O
</s>
<s>
Both	O
ports	O
made	O
use	O
of	O
the	O
mouse	B-Device
and	O
limited	O
use	O
of	O
the	O
native	O
operating	B-General_Concept
system	I-General_Concept
's	O
windowing	O
environment	O
(	O
mouse	B-Device
cursor	O
support	O
,	O
dialog	O
boxes	O
for	O
requesting	O
disks	B-Device
,	O
etc	O
.	O
</s>
<s>
Like	O
Ultima	B-Application
III	I-Application
,	O
Ultima	B-Application
IV	I-Application
was	O
released	O
to	O
NES	B-Language
by	O
FCI	O
and	O
Pony	O
Canyon	O
.	O
</s>
<s>
This	O
version	O
,	O
titled	O
Ultima	B-Application
:	I-Application
Quest	I-Application
of	I-Application
the	I-Application
Avatar	I-Application
,	O
was	O
released	O
in	O
1990	O
.	O
</s>
<s>
The	O
NES	B-Language
port	O
of	O
Ultima	B-Application
IV	I-Application
is	O
very	O
different	O
from	O
the	O
other	O
versions	O
:	O
the	O
graphics	O
had	O
been	O
completely	O
redone	O
,	O
as	O
was	O
the	O
music	O
,	O
and	O
the	O
dialogue	O
options	O
were	O
greatly	O
reduced	O
.	O
</s>
<s>
However	O
,	O
the	O
combat	O
system	O
was	O
fairly	O
close	O
to	O
the	O
personal	B-Device
computer	I-Device
games	O
,	O
with	O
the	O
additional	O
option	O
to	O
use	O
automated	O
combat	O
.	O
</s>
<s>
Additionally	O
the	O
spell-casting	B-Application
was	O
simplified	O
,	O
removing	O
the	O
need	O
to	O
mix	O
spells	O
.	O
</s>
<s>
This	O
port	O
also	O
replaced	O
the	O
character	O
Julia	O
the	O
Tinker	B-Application
with	O
a	O
male	O
character	O
named	O
Julius	O
.	O
</s>
<s>
Some	O
of	O
these	O
changes	O
were	O
done	O
because	O
of	O
the	O
memory	B-General_Concept
limitations	O
of	O
being	O
on	O
a	O
single	O
cartridge	B-Protocol
instead	O
of	O
multiple	O
floppy	B-Device
diskettes	I-Device
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
:	I-Application
Quest	I-Application
of	I-Application
the	I-Application
Avatar	I-Application
for	O
the	O
Master	O
System	O
is	O
the	O
only	O
Ultima	O
to	O
be	O
ported	O
to	O
a	O
Sega	O
platform	O
.	O
</s>
<s>
The	O
port	O
features	O
completely	O
re-drawn	O
graphics	O
(	O
although	O
unlike	O
the	O
NES	B-Language
port	O
,	O
the	O
style	O
was	O
retained	O
from	O
Origin	O
's	O
version	O
)	O
,	O
a	O
simpler	O
conversation	O
system	O
and	O
,	O
unlike	O
the	O
NES	B-Language
version	O
,	O
uses	O
the	O
regular	O
Ultima	B-Application
IV	I-Application
background	O
music	O
.	O
</s>
<s>
Although	O
the	O
Master	O
System	O
is	O
easily	O
capable	O
of	O
displaying	O
more	O
complex	O
first-person	O
scenes	O
than	O
those	O
found	O
in	O
Ultima	B-Application
IV	I-Application
(	O
see	O
Phantasy	B-Application
Star	I-Application
)	O
,	O
this	O
version	O
's	O
dungeons	O
are	O
viewed	O
from	O
a	O
top-down	O
perspective	O
,	O
much	O
like	O
those	O
of	O
Ultima	B-Application
VI	I-Application
,	O
which	O
was	O
released	O
the	O
same	O
year	O
.	O
</s>
<s>
It	O
seems	O
that	O
most	O
of	O
these	O
cartridges	B-Protocol
were	O
produced	O
for	O
the	O
European	O
market	O
,	O
as	O
they	O
contain	O
a	O
multi-lingual	O
(	O
English	O
,	O
French	O
and	O
German	O
)	O
manual	O
,	O
both	O
books	O
from	O
the	O
original	O
version	O
as	O
well	O
as	O
a	O
folded	O
paper	O
map	O
.	O
</s>
<s>
xu4	B-Application
is	O
a	O
cross-platform	O
game	O
engine	O
recreation	O
of	O
Ultima	B-Application
IV	I-Application
under	O
development	O
for	O
Dreamcast	B-Operating_System
,	O
Linux	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
RISC	B-Operating_System
OS	I-Operating_System
and	O
Windows	B-Application
.	O
</s>
<s>
Two	O
other	O
remakes	O
were	O
using	O
the	O
Neverwinter	B-Application
Nights	I-Application
engine	O
.	O
</s>
<s>
An	O
online	O
version	O
was	O
written	O
in	O
Adobe	B-Operating_System
Flash	I-Operating_System
.	O
</s>
<s>
In	O
2015	O
also	O
a	O
fan-made	O
remaster	O
project	O
for	O
the	O
Commodore	O
64	O
version	O
of	O
the	O
game	O
was	O
released	O
with	O
source	O
code	O
on	O
GitHub	B-Application
,	O
addressing	O
bugs	B-Error_Name
and	O
improving	O
other	O
aspects	O
of	O
the	O
game	O
.	O
</s>
<s>
DOS	B-Device
version	O
of	O
Ultima	B-Application
IV	I-Application
is	O
available	O
for	O
free	B-License
through	O
GOG.com	O
.	O
</s>
<s>
Publisher	O
and	O
IP	O
owner	O
Electronic	O
Arts	O
has	O
released	O
the	O
game	O
as	O
freeware	B-License
in	O
2011	O
to	O
promote	O
its	O
free-to-play	O
remake	O
Ultima	B-Protocol
Forever	I-Protocol
:	I-Protocol
Quest	I-Protocol
for	I-Protocol
the	I-Protocol
Avatar	I-Protocol
,	O
which	O
it	O
would	O
release	O
in	O
2013	O
.	O
</s>
<s>
Ultima	B-Application
IV	I-Application
was	O
the	O
top	O
game	O
on	O
Billboards	O
list	O
of	O
software	O
best	O
sellers	O
for	O
February	O
and	O
March	O
1986	O
.	O
</s>
<s>
In	O
the	O
United	O
States	O
,	O
Ultima	B-Application
IV	I-Application
had	O
sold	O
more	O
than	O
100,000	O
copies	O
by	O
August	O
1986	O
.	O
</s>
<s>
Global	O
sales	O
of	O
Ultima	B-Application
IV	I-Application
had	O
surpassed	O
400,000	O
copies	O
by	O
May	O
1989	O
.	O
</s>
<s>
The	O
game	O
became	O
the	O
first	O
to	O
replace	O
Wizardry	B-Application
:	I-Application
Proving	I-Application
Grounds	I-Application
of	I-Application
the	I-Application
Mad	I-Application
Overlord	I-Application
—	O
the	O
top-rated	O
adventure	O
game	O
for	O
five	O
years	O
—	O
in	O
the	O
magazine	O
's	O
reader	O
poll	O
,	O
and	O
it	O
named	O
Ultima	B-Application
IV	I-Application
as	O
the	O
game	O
of	O
the	O
year	O
for	O
1986	O
.	O
</s>
<s>
In	O
1987	O
Scorpia	O
cited	O
Ultima	B-Application
IV	I-Application
for	O
taking	O
the	O
genre	O
away	O
from	O
hack	B-Application
and	I-Application
slash	I-Application
—	O
"	O
for	O
the	O
first	O
time	O
,	O
we	O
have	O
a	O
CRPG	O
whose	O
focus	O
IS	O
character	O
development	O
.	O
</s>
<s>
In	O
June	O
1986	O
,	O
Dragons	O
Hartley	O
and	O
Pattie	O
Lesser	O
called	O
Ultima	B-Application
IV	I-Application
"	O
The	O
most	O
impressive	O
and	O
complex	O
adventure	O
to	O
date	O
;	O
a	O
total	O
adventuring	O
environment	O
that	O
takes	O
place	O
across	O
an	O
entire	O
continent.	O
"	O
</s>
<s>
If	O
you	O
have	O
an	O
Apple	B-Device
II	I-Device
or	O
a	O
Commodore	O
64	O
or	O
128	O
,	O
your	O
treasure	O
hoard	O
of	O
computer	O
FRP	O
games	O
will	O
not	O
be	O
complete	O
unless	O
and	O
until	O
you	O
get	O
your	O
hands	O
on	O
this	O
one	O
"	O
.	O
</s>
<s>
He	O
praised	O
Ultima	B-Application
IV	I-Application
as	O
"	O
incredible	O
.	O
</s>
<s>
If	O
you	O
can	O
find	O
it	O
in	O
a	O
store	O
,	O
do	O
n’t	O
pass	O
it	O
up	O
...	O
Do	O
n’t	O
be	O
discouraged	O
if	O
it	O
takes	O
you	O
a	O
while	O
to	O
find	O
a	O
copy	O
—	O
that	O
search	O
will	O
be	O
an	O
easy	O
one	O
compared	O
to	O
what	O
awaits	O
you	O
when	O
you	O
start	O
the	O
Quest	O
of	O
the	O
Avatar	B-Application
"	O
.	O
</s>
<s>
Famitsu	O
reviewed	O
the	O
Famicom	O
(	O
NES	B-Language
)	O
version	O
and	O
scored	O
it	O
31	O
out	O
of	O
40	O
.	O
</s>
<s>
Co-creator	O
of	O
D&D	O
Dave	O
Arneson	O
in	O
1988	O
wrote	O
that	O
Ultima	B-Application
IV	I-Application
and	O
a	O
few	O
other	O
games	O
"	O
have	O
stood	O
pretty	O
much	O
alone	O
as	O
quirks	O
instead	O
of	O
trend	O
setters	O
"	O
in	O
the	O
CRPG	O
industry	O
,	O
as	O
other	O
games	O
did	O
not	O
follow	O
their	O
innovations	O
.	O
</s>
<s>
With	O
a	O
score	O
of	O
7.80	O
out	O
of	O
10	O
,	O
in	O
1988	O
Ultima	B-Application
IV	I-Application
was	O
among	O
the	O
first	O
members	O
of	O
the	O
Computer	O
Gaming	O
World	O
Hall	O
of	O
Fame	O
for	O
those	O
games	O
rated	O
highly	O
over	O
time	O
by	O
readers	O
.	O
</s>
<s>
In	O
2013	O
,	O
IGN	O
placed	O
Ultima	B-Application
IV	I-Application
at	O
#26	O
in	O
its	O
list	O
of	O
top	O
100	O
RPGs	O
of	O
all	O
time	O
.	O
</s>
<s>
In	O
2015	O
,	O
Peter	O
Tieryas	O
of	O
Tor.com	O
stated	O
that	O
the	O
NES	B-Language
version	O
"	O
represented	O
a	O
different	O
type	O
of	O
ideal	O
...	O
You	O
make	O
up	O
the	O
narrative	O
and	O
you	O
determine	O
the	O
course	O
of	O
your	O
journey	O
,	O
engendering	O
a	O
sense	O
of	O
immersion	O
that	O
had	O
the	O
effect	O
of	O
making	O
you	O
feel	O
like	O
you	O
were	O
in	O
more	O
control	O
than	O
any	O
previous	O
RPG.	O
"	O
</s>
