<s>
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
:	I-Device
The	I-Device
Perils	I-Device
of	I-Device
Rosella	I-Device
is	O
a	O
graphic	O
adventure	O
game	O
developed	O
and	O
released	O
by	O
Sierra	O
On-Line	O
for	O
the	O
MS-DOS	B-Application
,	O
Amiga	B-Device
,	O
Apple	B-Device
II	I-Device
,	O
Apple	B-Device
IIGS	I-Device
,	O
and	O
Atari	B-Device
ST	I-Device
computers	O
in	O
1988	O
.	O
</s>
<s>
The	O
player	O
takes	O
on	O
the	O
role	O
of	O
Princess	O
Rosella	O
,	O
daughter	O
of	O
King	O
Graham	O
of	O
Daventry	O
(	O
King	B-Device
's	I-Device
Quest	I-Device
I	I-Device
and	O
King	B-Device
's	I-Device
Quest	I-Device
II	I-Device
)	O
and	O
the	O
twin	O
sister	O
of	O
Gwydion/Alexander	O
(	O
King	B-Application
's	I-Application
Quest	I-Application
III	I-Application
)	O
,	O
who	O
must	O
save	O
her	O
father	O
and	O
a	O
good	O
fairy	O
and	O
destroy	O
an	O
evil	O
witch	O
.	O
</s>
<s>
Critically	O
acclaimed	O
,	O
it	O
was	O
one	O
of	O
the	O
first	O
PC	O
games	O
to	O
support	O
a	O
sound	B-Device
card	I-Device
.	O
</s>
<s>
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
uses	O
the	O
Adventure	B-Application
Game	I-Application
Interpreter	I-Application
(	O
AGI	B-Application
)	O
and	O
Sierra	O
's	O
Creative	O
Interpreter	O
(	O
SCI	O
)	O
systems	O
.	O
</s>
<s>
This	O
is	O
the	O
only	O
chapter	O
in	O
the	O
King	B-Device
's	I-Device
Quest	I-Device
series	O
where	O
the	O
action	O
takes	O
place	O
in	O
real-time	O
and	O
within	O
the	O
allotted	O
time	O
limit	O
,	O
as	O
the	O
events	O
of	O
the	O
game	O
cover	O
about	O
24	O
hours	O
.	O
</s>
<s>
The	O
overall	O
high	O
difficulty	O
of	O
King	B-Application
's	I-Application
Quest	I-Application
III	I-Application
was	O
toned	O
down	O
in	O
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
.	O
</s>
<s>
Picking	O
up	O
immediately	O
where	O
King	B-Application
's	I-Application
Quest	I-Application
III	I-Application
:	I-Application
To	I-Application
Heir	I-Application
Is	I-Application
Human	I-Application
left	O
off	O
,	O
as	O
King	O
Graham	O
tosses	O
his	O
children	O
his	O
adventure	O
's	O
cap	O
,	O
he	O
suffers	O
a	O
massive	O
heart	O
attack	O
and	O
is	O
left	O
on	O
his	O
death	O
bed	O
.	O
</s>
<s>
Rosella	O
reluctantly	O
agrees	O
and	O
captures	O
a	O
unicorn	O
,	O
steals	O
the	O
golden	O
hen	O
and	O
recovers	O
Pandora	B-Application
's	I-Application
Box	I-Application
for	O
Lolotte	O
who	O
intends	O
to	O
use	O
the	O
items	O
to	O
increase	O
her	O
evil	O
power	O
and	O
influence	O
.	O
</s>
<s>
Rosella	O
recovers	O
the	O
talisman	O
,	O
the	O
hen	O
and	O
Pandora	B-Application
's	I-Application
Box	I-Application
and	O
rescues	O
the	O
unicorn	O
.	O
</s>
<s>
In	O
order	O
to	O
keep	O
Pandora	B-Application
's	I-Application
Box	I-Application
from	O
being	O
used	O
for	O
evil	O
again	O
,	O
Rosella	O
returns	O
it	O
to	O
its	O
tomb	O
and	O
seals	O
the	O
entrance	O
so	O
that	O
no	O
one	O
else	O
can	O
ever	O
enter	O
.	O
</s>
<s>
As	O
a	O
reward	O
for	O
his	O
help	O
and	O
kindness	O
,	O
Genesta	O
transforms	O
Edgar	O
into	O
a	O
handsome	O
young	O
man	O
,	O
but	O
Rosella	O
rejects	O
Edgar	O
's	O
marriage	O
proposal	O
although	O
she	O
expresses	O
hope	O
that	O
they	O
will	O
meet	O
again	O
someday	B-Application
.	O
</s>
<s>
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
was	O
the	O
first	O
commercially	O
released	O
game	O
for	O
IBM	O
PC	O
compatibles	O
to	O
support	O
sound	B-Device
cards	I-Device
instead	O
of	O
only	O
the	O
standard	O
built-in	O
speaker	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
familiar	O
PC	B-Device
speaker	I-Device
and	O
Tandy	B-Device
sound	O
,	O
it	O
could	O
utilize	O
AdLib	O
,	O
Disney	O
Sound	O
Source	O
,	O
IBM	B-Device
Music	I-Device
Feature	I-Device
Card	I-Device
,	O
or	O
Roland	O
boards	O
.	O
</s>
<s>
The	O
series	O
 '	O
author	O
Roberta	O
Williams	O
wrote	O
in	O
the	O
notes	O
to	O
the	O
King	B-Device
's	I-Device
Quest	I-Device
Collection	O
Series	O
:	O
"	O
Before	O
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
was	O
released	O
,	O
word	O
leaked	O
out	O
that	O
Graham	O
would	O
have	O
a	O
heart	O
attack	O
and	O
might	O
die	O
.	O
</s>
<s>
I	O
wanted	O
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
to	O
have	O
some	O
pressure	O
applied	O
to	O
you	O
:	O
a	O
timed	O
game	O
,	O
taking	O
place	O
over	O
a	O
24-hour	O
period	O
,	O
so	O
you	O
roam	O
around	O
during	O
the	O
day	O
and	O
eventually	O
it	O
turns	O
to	O
night	O
.	O
</s>
<s>
The	O
game	O
was	O
simultaneously	O
produced	O
and	O
published	O
in	O
the	O
AGI	B-Application
and	O
SCI	O
engines	O
.	O
</s>
<s>
The	O
AGI	B-Application
engine	O
was	O
used	O
in	O
all	O
earlier	O
Sierra	O
adventure	O
games	O
,	O
the	O
SCI	O
in	O
all	O
later	O
ones	O
.	O
</s>
<s>
SCI	O
supported	O
higher-resolution	O
graphics	O
(	O
320×200	O
resolution	O
versus	O
160×200	O
)	O
,	O
more	O
sophisticated	O
animation	O
,	O
mouse	O
,	O
and	O
sound	B-Device
card	I-Device
support	O
.	O
</s>
<s>
Some	O
older	O
features	O
like	O
CGA	O
composite	O
mode	O
and	O
PCjr	B-Device
support	O
were	O
removed	O
.	O
</s>
<s>
Memory	O
requirements	O
for	O
SCI	O
games	O
were	O
thus	O
double	O
those	O
of	O
AGI	B-Application
games	O
(	O
512kB	O
vs	O
256k	O
)	O
.	O
</s>
<s>
8	O
–	O
16MHz	O
286	O
or	O
386	O
machines	O
with	O
EGA	B-Device
or	O
VGA	B-Protocol
graphics	I-Protocol
and	O
a	O
hard	O
disk	O
)	O
and	O
ran	O
poorly	O
on	O
older	O
8086	B-General_Concept
computers	O
.	O
</s>
<s>
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
was	O
the	O
only	O
native-mode	O
SCI	O
game	O
to	O
also	O
have	O
an	O
AGI	B-Application
version	O
(	O
some	O
games	O
originally	O
made	O
with	O
the	O
AGI	B-Application
engine	O
like	O
the	O
original	O
King	B-Device
's	I-Device
Quest	I-Device
were	O
released	O
in	O
updated	O
SCI	O
versions	O
)	O
.	O
</s>
<s>
This	O
was	O
done	O
mostly	O
as	O
a	O
fall-back	O
measure	O
because	O
the	O
SCI	O
engine	O
was	O
new	O
and	O
unproven	O
,	O
and	O
also	O
for	O
the	O
large	O
existing	O
user	O
base	O
of	O
8086	B-General_Concept
machines	O
.	O
</s>
<s>
The	O
AGI	B-Application
version	O
2.0	O
contains	O
the	O
"	O
beam	O
me	O
"	O
Easter	O
egg	O
,	O
which	O
transported	O
Rosella	O
to	O
a	O
Star	O
Trek-esque	O
room	O
with	O
all	O
of	O
the	O
development	O
team	O
present	O
(	O
this	O
Easter	O
egg	O
is	O
not	O
present	O
in	O
any	O
SCI	O
version	O
)	O
.	O
</s>
<s>
A	O
version	O
identical	O
to	O
the	O
AGI	B-Application
version	O
was	O
released	O
on	O
the	O
Apple	B-Device
IIGS	I-Device
with	O
improved	O
music	O
and	O
effects	O
(	O
over	O
the	O
MS-DOS	B-Application
AGI	B-Application
counterpart	O
)	O
;	O
the	O
IIGS	B-Device
port	O
does	O
not	O
use	O
the	O
SCI	O
engine	O
for	O
performance	O
reasons	O
.	O
</s>
<s>
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
sold	O
100,000	O
copies	O
in	O
its	O
first	O
two	O
weeks	O
.	O
</s>
<s>
According	O
to	O
Sierra	O
On-Line	O
,	O
combined	O
sales	O
of	O
the	O
King	B-Device
's	I-Device
Quest	I-Device
series	O
surpassed	O
3.8	O
million	O
units	O
by	O
the	O
end	O
of	O
March	O
1996	O
.	O
</s>
<s>
By	O
November	O
2000	O
,	O
PC	O
Data	O
reported	O
that	O
King	B-Device
's	I-Device
Quest	I-Device
IVs	I-Device
sales	O
in	O
the	O
United	O
States	O
alone	O
had	O
reached	O
between	O
300,000	O
and	O
400,000	O
units	O
.	O
</s>
<s>
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
was	O
very	O
well	O
received	O
by	O
the	O
trade	O
press	O
,	O
including	O
being	O
awarded	O
review	O
scores	O
of	O
309/400	O
from	O
ACE	O
,	O
79%	O
from	O
Amiga	B-Device
Action	O
,	O
81%	O
from	O
Amiga	B-Device
Computing	O
,	O
85%	O
from	O
Commodore	O
User	O
,	O
91%	O
from	O
Computer	O
&	O
Video	O
Games	O
,	O
85%	O
from	O
CU	O
Amiga	B-Device
,	O
9/10	O
from	O
Datormagazin	O
,	O
90%	O
from	O
The	O
Games	O
Machine	O
(	O
Italia	O
)	O
,	O
13/15	O
from	O
Tilt	O
,	O
and	O
79%	O
from	O
Zzap	O
!	O
.	O
</s>
<s>
Scorpia	O
of	O
Computer	O
Gaming	O
World	O
reviewed	O
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
,	O
noting	O
the	O
beautiful	O
graphics	O
,	O
but	O
also	O
mentioning	O
the	O
game	O
ran	O
slowly	O
if	O
the	O
screen	O
contained	O
animations	O
.	O
</s>
<s>
praised	O
the	O
graphics	O
and	O
sound	O
of	O
the	O
IBM	O
PC	O
version	O
,	O
including	O
its	O
support	O
of	O
VGA	B-Protocol
and	O
sound	B-Device
cards	I-Device
such	O
as	O
AdLib	O
and	O
Roland	O
MT-32	O
,	O
and	O
concluded	O
that	O
"	O
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
sets	O
a	O
gaming	O
standard	O
others	O
will	O
be	O
hard-pressed	O
to	O
match	O
,	O
much	O
less	O
surpass	O
"	O
,	O
describing	O
the	O
game	O
's	O
soundtrack	O
as	O
"	O
40	O
minutes	O
of	O
the	O
best	O
sound	O
available	O
on	O
any	O
computer	O
disk	O
anywhere	O
"	O
.	O
</s>
<s>
Page	O
6s	O
John	O
Sweeney	O
wrote	O
the	O
game	O
was	O
"	O
undoubtedly	O
excellent	O
"	O
,	O
but	O
personally	O
he	O
preferred	O
King	B-Application
's	I-Application
Quest	I-Application
III	I-Application
.	O
</s>
<s>
In	O
2009	O
,	O
Atomic	O
named	O
King	B-Device
's	I-Device
Quest	I-Device
IV	I-Device
one	O
of	O
the	O
"	O
50	O
Games	O
to	O
Play	O
Before	O
You	O
Die	O
"	O
.	O
</s>
<s>
IGN	O
's	O
Kosta	O
Andreadis	O
wrote	O
in	O
2014	O
:	O
"	O
The	B-Device
Perils	I-Device
of	I-Device
Rosella	I-Device
stands	O
the	O
test	O
of	O
time	O
despite	O
its	O
shortcomings	O
(	O
and	O
you	O
can	O
buy	O
it	O
on	O
GOG.com	O
)	O
,	O
for	O
above	O
all	O
providing	O
a	O
memorable	O
and	O
at	O
times	O
thrilling	O
adventure	O
,	O
on	O
top	O
of	O
being	O
one	O
of	O
the	O
first	O
games	O
to	O
ever	O
feature	O
both	O
a	O
female	O
protagonist	O
as	O
well	O
as	O
sound	B-Device
card	I-Device
support	O
"	O
.	O
</s>
