<s>
Flight	B-Application
Unlimited	I-Application
is	O
a	O
1995	O
aerobatic	O
flight	B-Application
simulator	I-Application
video	O
game	O
developed	O
and	O
published	O
by	O
LookingGlass	O
Technologies	O
.	O
</s>
<s>
The	O
instructor	O
teaches	O
basic	O
and	O
advanced	O
techniques	O
,	O
ranging	O
from	O
rudder	B-Protocol
turns	O
to	O
maneuvers	O
such	O
as	O
the	O
tailslide	O
,	O
Lomcovák	O
and	O
Immelmann	O
turn	O
.	O
</s>
<s>
Flight	B-Application
Unlimited	I-Application
was	O
the	O
first	O
self-published	O
game	O
released	O
by	O
Looking	O
Glass	O
Technologies	O
.	O
</s>
<s>
It	O
was	O
intended	O
to	O
establish	O
the	O
company	O
as	O
a	O
video	O
game	O
publisher	O
and	O
to	O
compete	O
with	O
flight	B-Application
simulator	I-Application
franchises	O
such	O
as	O
Microsoft	B-Operating_System
Flight	I-Operating_System
Simulator	I-Operating_System
.	O
</s>
<s>
He	O
felt	O
that	O
other	O
flight	B-Application
simulators	I-Application
failed	O
to	O
convey	O
the	O
experience	O
of	O
real	O
flight	O
,	O
and	O
he	O
reacted	O
by	O
coding	O
a	O
simulated	O
atmosphere	O
for	O
Flight	B-Application
Unlimited	I-Application
based	O
on	O
real-time	O
computational	O
fluid	O
dynamics	O
.	O
</s>
<s>
Flight	B-Application
Unlimited	I-Application
received	O
positive	O
reviews	O
from	O
critics	O
and	O
was	O
a	O
commercial	O
success	O
;	O
its	O
sales	O
exceeded	O
780,000	O
copies	O
by	O
2002	O
.	O
</s>
<s>
The	O
game	O
was	O
followed	O
by	O
two	O
sequels	O
:	O
Flight	B-Application
Unlimited	I-Application
II	I-Application
(	O
1997	O
)	O
and	O
Flight	B-Application
Unlimited	I-Application
III	I-Application
(	O
1999	O
)	O
.	O
</s>
<s>
A	O
combat-oriented	O
successor	O
,	O
Flight	B-Application
Combat	I-Application
,	O
was	O
released	O
in	O
2002	O
as	O
Jane	B-Application
's	I-Application
Attack	I-Application
Squadron	I-Application
after	O
a	O
series	O
of	O
setbacks	O
.	O
</s>
<s>
Soon	O
after	O
Flight	B-Application
Unlimiteds	I-Application
completion	O
,	O
Blackley	O
was	O
fired	O
from	O
Looking	O
Glass	O
.	O
</s>
<s>
He	O
went	O
on	O
to	O
design	O
Jurassic	B-Application
Park	I-Application
:	I-Application
Trespasser	I-Application
at	O
DreamWorks	O
Interactive	O
and	O
later	O
spearhead	O
the	O
Xbox	B-Application
project	O
at	O
Microsoft	O
.	O
</s>
<s>
Flight	B-Application
Unlimited	I-Application
is	O
a	O
three-dimensional	O
(	O
3D	O
)	O
flight	B-Application
simulator	I-Application
video	O
game	O
:	O
its	O
gameplay	O
is	O
a	O
simulation	O
of	O
piloting	O
real-world	O
airplanes	O
.	O
</s>
<s>
Aircraft	O
are	O
controlled	O
via	O
keyboard	B-Device
,	O
joystick	B-Device
,	O
head-mounted	B-General_Concept
display	I-General_Concept
or	O
specialized	O
input	O
devices	O
such	O
as	O
pedals	O
.	O
</s>
<s>
Certain	O
camera	O
angles	O
,	O
including	O
the	O
Three-Way	O
View	O
and	O
3-D	O
Cockpit	O
view	O
,	O
provide	O
the	O
player	O
with	O
simulated	O
flight	O
instruments	O
such	O
as	O
an	O
altimeter	O
,	O
airspeed	O
indicator	O
,	O
accelerometer	O
,	O
variometer	O
and	O
tachometer	B-Device
.	O
</s>
<s>
Performances	O
may	O
be	O
recorded	O
and	O
played	O
back	O
,	O
with	O
controls	O
that	O
allow	O
the	O
player	O
to	O
pause	O
,	O
rewind	O
and	O
fast	B-Application
forward	I-Application
.	O
</s>
<s>
The	O
game	O
contains	O
lessons	O
that	O
cover	O
basic	O
and	O
advanced	O
flight	O
techniques	O
,	O
ranging	O
from	O
rudder	B-Protocol
turns	O
to	O
challenging	O
aerobatic	O
maneuvers	O
.	O
</s>
<s>
The	O
concept	O
of	O
Flight	B-Application
Unlimited	I-Application
originated	O
from	O
Looking	O
Glass	O
Technologies	O
 '	O
discontent	O
with	O
contemporary	O
flight	B-Application
simulators	I-Application
.	O
</s>
<s>
Company	O
co-founders	O
Paul	O
Neurath	O
and	O
Ned	O
Lerner	O
wanted	O
to	O
develop	O
an	O
exceptional	O
game	O
in	O
the	O
genre	O
,	O
and	O
Neurath	O
considered	O
the	O
idea	O
during	O
the	O
production	O
of	O
Ultima	B-Application
Underworld	I-Application
:	I-Application
The	I-Application
Stygian	I-Application
Abyss	I-Application
and	O
Ultima	B-Application
Underworld	I-Application
II	I-Application
:	I-Application
Labyrinth	I-Application
of	I-Application
Worlds	I-Application
.	O
</s>
<s>
An	O
amateur	O
pilot	O
and	O
flight	O
devotee	O
,	O
Blackley	O
asked	O
Lerner	O
extensive	O
questions	O
about	O
his	O
earlier	O
game	O
Chuck	B-Application
Yeager	I-Application
's	I-Application
Advanced	I-Application
Flight	I-Application
Trainer	I-Application
,	O
which	O
Blackley	O
held	O
in	O
high	O
regard	O
.	O
</s>
<s>
Collaborating	O
with	O
Ultima	B-Application
Underworld	I-Application
II	I-Application
programmer	O
Greg	O
Travis	O
,	O
he	O
created	O
a	O
thirty	O
page	O
concept	O
document	O
that	O
outlined	O
the	O
game	O
.	O
</s>
<s>
He	O
wanted	O
the	O
project	O
to	O
bear	O
more	O
resemblance	O
to	O
a	O
playground	O
than	O
to	O
a	O
video	O
game	O
,	O
and	O
he	O
sought	O
to	O
give	O
it	O
simple	O
controls	O
and	O
realistic	O
terrain	O
to	O
decrease	O
the	O
learning	B-General_Concept
curve	I-General_Concept
for	O
beginners	O
.	O
</s>
<s>
In	O
1995	O
,	O
he	O
said	O
that	O
he	O
had	O
never	O
played	O
a	O
flight	B-Application
simulator	I-Application
with	O
an	O
accurate	O
sense	O
of	O
flight	O
.	O
</s>
<s>
Blackley	O
researched	O
physics	O
programming	O
in	O
contemporary	O
flight	B-Application
simulators	I-Application
,	O
and	O
he	O
discovered	O
that	O
many	O
used	O
large	O
databases	O
of	O
wind	O
tunnel	O
and	O
plane	O
sensory	O
equipment	O
information	O
to	O
dictate	O
how	O
aircraft	O
would	O
operate	O
in	O
prerecorded	O
scenarios	O
.	O
</s>
<s>
In	O
reaction	O
,	O
he	O
used	O
his	O
knowledge	O
of	O
particle	O
physics	O
to	O
create	O
a	O
real-time	O
computational	O
fluid	O
dynamics	O
(	O
CFDs	O
)	O
model	O
for	O
Flight	B-Application
Unlimited	I-Application
.	O
</s>
<s>
Changes	O
in	O
the	O
plane	O
's	O
direction	O
are	O
caused	O
by	O
the	O
interaction	O
of	O
their	O
flight	O
control	O
surfaces	O
(	O
ailerons	O
,	O
elevators	O
and	O
rudders	B-Protocol
)	O
with	O
the	O
simulated	O
atmosphere	O
.	O
</s>
<s>
Because	O
it	O
simulates	O
the	O
dynamics	O
of	O
flight	O
in	O
real-time	O
,	O
the	O
system	O
allows	O
for	O
aerobatic	O
maneuvers	O
that	O
were	O
impossible	O
in	O
previous	O
flight	B-Application
simulators	I-Application
.	O
</s>
<s>
Artists	O
Mike	O
Marsicano	O
and	O
Kurt	O
Bickenbach	O
played	O
critical	O
roles	O
in	O
the	O
creation	O
of	O
the	O
game	O
's	O
aircraft	O
models	O
,	O
which	O
were	O
built	O
in	O
3D	B-Language
Studio	I-Language
.	O
</s>
<s>
As	O
reference	O
material	O
,	O
the	O
team	O
photographed	O
real	O
planes	O
at	O
several	O
airfields	O
,	O
and	O
they	O
received	O
blueprints	B-Application
and	O
datasheets	O
from	O
aircraft	O
manufacturers	O
.	O
</s>
<s>
Problems	O
with	O
artificially	B-Application
intelligent	I-Application
judges	O
were	O
also	O
a	O
factor	O
in	O
the	O
feature	O
's	O
removal	O
.	O
</s>
<s>
Flight	B-Application
Unlimiteds	I-Application
terrain	O
graphics	O
were	O
created	O
with	O
stereophotogrammetry	B-Application
.	O
</s>
<s>
Each	O
location	O
in	O
the	O
game	O
was	O
based	O
on	O
two	O
stereoscopic	B-Algorithm
sets	O
of	O
photographs	O
,	O
which	O
were	O
processed	O
for	O
more	O
than	O
72	O
hours	O
by	O
a	O
"	O
dedicated	O
Pentium	O
tucked	O
away	O
in	O
a	O
dark	O
corner	O
"	O
.	O
</s>
<s>
Material	O
from	O
geographic	B-Application
information	I-Application
systems	I-Application
was	O
also	O
studied	O
,	O
but	O
associate	O
producer	O
Paul	O
Schaffer	O
said	O
that	O
it	O
would	O
have	O
been	O
"	O
astronomically	O
expensive	O
"	O
to	O
obtain	O
data	O
with	O
the	O
necessary	O
resolution	O
.	O
</s>
<s>
After	O
assembling	O
a	O
playable	O
demo	O
of	O
Flight	B-Application
Unlimited	I-Application
,	O
the	O
team	O
requested	O
assistance	O
from	O
then-US	O
Aerobatic	O
Team	O
member	O
Michael	O
Goulian	O
,	O
who	O
worked	O
as	O
a	O
flight	O
instructor	O
at	O
the	O
nearby	O
Hanscom	O
Field	O
.	O
</s>
<s>
Blackley	O
told	O
PC	O
Gamer	O
US	O
that	O
,	O
while	O
Goulian	O
disliked	O
flight	B-Application
simulators	I-Application
,	O
"	O
When	O
he	O
flew	O
Flight	B-Application
Unlimited	I-Application
,	O
he	O
just	O
said	O
'	O
pretty	O
cool.	O
'	O
</s>
<s>
Goulian	O
endorsed	O
Flight	B-Application
Unlimited	I-Application
and	O
wrote	O
the	O
foreword	O
to	O
its	O
official	O
strategy	O
guide	O
.	O
</s>
<s>
The	O
team	O
had	O
trouble	O
with	O
complex	O
memory-related	O
glitches	B-Error_Name
during	O
development	O
.	O
</s>
<s>
Church	O
called	O
them	O
"	O
crazy	O
"	O
,	O
and	O
programmer	O
Greg	O
Travis	O
noted	O
that	O
debugging	O
the	O
terrain	O
cache	B-General_Concept
system	O
was	O
a	O
"	O
nightmare	O
"	O
.	O
</s>
<s>
According	O
to	O
Opening	O
the	O
Xbox	B-Application
author	O
Dean	O
Takahashi	O
,	O
"	O
Blackley	O
[	O
was	O
not ]	O
ultra-organized	O
.	O
</s>
<s>
Following	O
the	O
completion	O
of	O
the	O
concurrently-developed	O
System	B-Application
Shock	I-Application
,	O
a	O
significant	O
part	O
of	O
that	O
game	O
's	O
team	O
—	O
including	O
Church	O
,	O
Marc	O
LeBlanc	O
and	O
Rob	O
Fermier	O
—	O
moved	O
to	O
Flight	B-Application
Unlimited	I-Application
to	O
add	O
connective	O
material	O
.	O
</s>
<s>
Flight	B-Application
Unlimited	I-Application
was	O
self-published	O
by	O
Looking	O
Glass	O
Technologies	O
.	O
</s>
<s>
The	O
sum	O
was	O
intended	O
to	O
fund	O
the	O
development	O
and	O
self-publication	O
of	O
Flight	B-Application
Unlimited	I-Application
.	O
</s>
<s>
Looking	O
Glass	O
intended	O
Flight	B-Application
Unlimited	I-Application
as	O
a	O
gateway	O
into	O
the	O
video	O
game	O
publishing	O
industry	O
.	O
</s>
<s>
In	O
1995	O
,	O
Looking	O
Glass	O
projected	O
that	O
sales	O
of	O
Flight	B-Application
Unlimited	I-Application
would	O
increase	O
royalty	O
revenues	O
to	O
$10	O
million	O
that	O
year	O
,	O
up	O
from	O
$1.5	O
million	O
in	O
1994	O
.	O
</s>
<s>
According	O
to	O
Doug	O
Church	O
,	O
the	O
pressure	O
for	O
Flight	B-Application
Unlimited	I-Application
to	O
succeed	O
meant	O
that	O
the	O
concurrently-developed	O
System	B-Application
Shock	I-Application
,	O
which	O
was	O
not	O
self-published	O
,	O
received	O
little	O
attention	O
from	O
the	O
company	O
's	O
management	O
.	O
</s>
<s>
Flight	B-Application
Unlimited	I-Application
was	O
placed	O
in	O
direct	O
competition	O
with	O
several	O
major	O
flight	B-Application
simulator	I-Application
franchises	O
.	O
</s>
<s>
Before	O
the	O
game	O
's	O
release	O
,	O
Shelby	O
Bateman	O
of	O
Next	O
Generation	O
Magazine	O
wrote	O
,	O
"	O
1995	O
is	O
going	O
to	O
be	O
a	O
real	O
dogfight	O
in	O
the	O
flight-sim	O
and	O
aerial-combat	O
categories	O
,	O
and	O
LookingGlass	O
is	O
betting	O
its	O
bankroll	O
...	O
that	O
it	O
can	O
capture	O
significant	O
market	O
share	O
from	O
the	O
likes	O
of	O
Microsoft	B-Operating_System
Flight	I-Operating_System
Simulator	I-Operating_System
and	O
the	O
debut	O
of	O
Spectrum	O
HoloByte	O
's	O
Falcon	B-Application
4.0	I-Application
,	O
among	O
others.	O
"	O
</s>
<s>
Doug	O
Church	O
explained	O
that	O
,	O
because	O
the	O
game	O
did	O
not	O
feature	O
combat	O
and	O
bore	O
little	O
resemblance	O
to	O
Microsoft	B-Operating_System
Flight	I-Operating_System
Simulator	I-Operating_System
,	O
the	O
team	O
spent	O
"	O
many	O
late	O
nights	O
"	O
on	O
marketing	O
strategies	O
.	O
</s>
<s>
Yee	O
noted	O
that	O
Neurath	O
"	O
fully	O
 [ expected ] 	O
it	O
to	O
prove	O
more	O
popular	O
than	O
Microsoft	B-Operating_System
Flight	I-Operating_System
Simulator	I-Operating_System
"	O
.	O
</s>
<s>
In	O
January	O
1995	O
,	O
Looking	O
Glass	O
showed	O
Flight	B-Application
Unlimited	I-Application
alongside	O
Terra	B-Application
Nova	I-Application
:	I-Application
Strike	I-Application
Force	I-Application
Centauri	I-Application
at	O
the	O
Winter	O
Consumer	O
Electronics	O
Show	O
,	O
under	O
their	O
"	O
Immersive	O
Reality	O
"	O
marketing	O
label	O
.	O
</s>
<s>
In	O
March	O
1995	O
,	O
the	O
Boston	O
Globe	O
reported	O
that	O
the	O
team	O
was	O
performing	O
"	O
11th	O
hour	O
checks	O
"	O
of	O
the	O
game	O
to	O
prepare	O
it	O
for	O
shipment	O
to	O
a	O
Midwestern	O
United	O
States	O
Compact	B-Application
Disc	I-Application
manufacturer	I-Application
.	O
</s>
<s>
However	O
,	O
upon	O
the	O
game	O
's	O
June	O
7	O
,	O
1995	O
release	O
for	O
MS-DOS	B-Application
,	O
200,000	O
units	O
were	O
distributed	O
simultaneously	O
in	O
the	O
United	O
States	O
and	O
Europe	O
.	O
</s>
<s>
Versions	O
for	O
Macintosh	B-Device
and	O
Windows	B-Application
95	I-Application
were	O
later	O
released	O
;	O
the	O
former	O
was	O
shown	O
at	O
the	O
Macworld	O
Expo	O
in	O
April	O
1996	O
.	O
</s>
<s>
Flight	B-Application
Unlimited	I-Application
was	O
a	O
commercial	O
success	O
.	O
</s>
<s>
It	O
debuted	O
in	O
twelfth	O
place	O
on	O
a	O
June	O
1995	O
sales	O
chart	O
compiled	O
by	O
NPD	O
Group	O
,	O
while	O
Microsoft	B-Application
Flight	I-Application
Simulator	I-Application
5.1	I-Application
took	O
first	O
place	O
.	O
</s>
<s>
According	O
to	O
Constantine	O
von	O
Hoffman	O
of	O
the	O
Boston	O
Herald	O
,	O
Flight	B-Application
Unlimited	I-Application
successfully	O
competed	O
with	O
Microsoft	B-Operating_System
Flight	I-Operating_System
Simulator	I-Operating_System
.	O
</s>
<s>
Frank	O
Vizard	O
of	O
Popular	O
Mechanics	O
hailed	O
it	O
as	O
"	O
the	O
new	O
top	O
gun	O
of	O
flight	B-Application
simulators	I-Application
"	O
,	O
and	O
Doug	O
Bailey	O
of	O
The	O
Boston	O
Globe	O
considered	O
it	O
to	O
be	O
the	O
"	O
first	O
real	O
serious	O
challenge	O
to	O
Microsoft	O
's	O
dominance	O
of	O
the	O
genre	O
"	O
.	O
</s>
<s>
The	O
Records	O
David	O
Noack	O
believed	O
that	O
the	O
game	O
's	O
physics	O
and	O
stereoscopic	B-Algorithm
terrain	O
set	O
"	O
a	O
new	O
standard	O
in	O
flight	O
simulation	O
"	O
.	O
</s>
<s>
It	O
was	O
named	O
the	O
best	O
simulation	O
of	O
1995	O
by	O
Computer	O
Games	O
Strategy	O
Plus	O
(	O
tied	O
with	O
Apache	B-Application
)	O
,	O
and	O
the	O
best	O
of	O
1996	O
by	O
Macworld	O
,	O
whose	O
editor	O
Steven	O
Levy	O
wrote	O
that	O
it	O
"	O
puts	O
you	O
in	O
touch	O
with	O
what	O
makes	O
flying	O
special.	O
"	O
</s>
<s>
Inside	B-Application
Mac	I-Application
Games	I-Application
and	O
PC	O
Gamer	O
both	O
nominated	O
Flight	B-Application
Unlimited	I-Application
as	O
the	O
simulation	O
of	O
the	O
year	O
,	O
although	O
it	O
lost	O
these	O
awards	O
to	O
A-10	B-Application
Cuba	I-Application
!	I-Application
</s>
<s>
and	O
Apache	B-Application
,	O
respectively	O
.	O
</s>
<s>
Vizard	O
stated	O
that	O
Flight	B-Application
Unlimiteds	I-Application
"	O
very	O
advanced	O
computational	O
fluid	O
dynamics	O
make	O
 [ each ] 	O
plane	O
react	O
according	O
to	O
spec	O
"	O
.	O
</s>
<s>
Bob	O
and	O
John	O
Nolan	O
called	O
the	O
game	O
's	O
physics	O
programming	O
"	O
groundbreaking	O
"	O
,	O
and	O
Chris	O
Ware	O
of	O
the	O
Lexington	O
Herald-Leader	O
found	O
the	O
game	O
to	O
be	O
the	O
most	O
accurate	O
simulation	O
of	O
flight	O
beyond	O
"	O
those	O
multimillion-dollar	O
flight	B-Application
simulators	I-Application
[	O
used	O
by ]	O
fighter	O
pilots	O
and	O
astronauts	O
"	O
.	O
</s>
<s>
In	O
1996	O
,	O
Computer	O
Gaming	O
World	O
presented	O
Flight	B-Application
Unlimited	I-Application
with	O
a	O
Special	O
Artistic	O
Achievement	O
Award	O
For	O
Physical	O
Model	O
.	O
</s>
<s>
Ware	O
found	O
Flight	B-Application
Unlimited	I-Application
approachable	O
and	O
noted	O
its	O
"	O
simplicity	O
of	O
use	O
and	O
depth	O
of	O
instruction	O
"	O
.	O
</s>
<s>
A	O
writer	O
for	O
The	O
Washington	O
Post	O
called	O
the	O
game	O
"[the]	O
world	O
's	O
first	O
truly	O
easy-to-use	O
flight	B-Application
simulator	I-Application
"	O
and	O
"	O
a	O
good	O
entry	O
product	O
"	O
,	O
in	O
which	O
"	O
rank	O
amateurs	O
can	O
just	O
launch	O
the	O
program	O
and	O
start	O
cruising	O
immediately	O
"	O
.	O
</s>
<s>
The	O
Washington	O
Posts	O
John	O
Gaudiosi	O
wrote	O
that	O
,	O
while	O
many	O
games	O
in	O
the	O
genre	O
are	O
overly	O
complex	O
,	O
Flight	B-Application
Unlimited	I-Application
lets	O
"	O
those	O
who	O
are	O
n't	O
rocket	O
scientists	O
...	O
experience	O
the	O
thrills	O
of	O
stunt	O
flying.	O
"	O
</s>
<s>
Denny	O
Atkin	O
of	O
Computer	O
Gaming	O
World	O
characterized	O
the	O
game	O
's	O
learning	B-General_Concept
curve	I-General_Concept
as	O
steep	O
,	O
thanks	O
to	O
the	O
accuracy	O
of	O
the	O
physics	O
programming	O
,	O
but	O
he	O
noted	O
the	O
scalable	O
difficulty	O
options	O
.	O
</s>
<s>
Bob	O
and	O
John	O
Nolan	O
wrote	O
that	O
people	O
who	O
"	O
love	O
to	O
loop	O
around	O
the	O
skies	O
of	O
Flight	B-Application
Simulator	I-Application
5	O
will	O
go	O
bananas	O
for	O
"	O
the	O
aerobatics	O
;	O
but	O
the	O
pair	O
commented	O
that	O
combat	O
flight	B-Application
simulator	I-Application
players	O
"	O
might	O
get	O
a	O
little	O
edgy	O
once	O
the	O
wow-power	O
wears	O
off.	O
"	O
</s>
<s>
Likewise	O
,	O
Ware	O
called	O
the	O
non-violent	O
gameplay	O
"	O
refreshing	O
"	O
,	O
and	O
Buchanan	O
wrote	O
,	O
"	O
If	O
[	O
you	O
are ]	O
a	O
battle-weary	O
veteran	O
of	O
air	O
combat	O
sims	O
,	O
Flight	B-Application
Unlimited	I-Application
might	O
be	O
just	O
the	O
sort	O
of	O
[	O
rest	O
and	O
relaxation ]	O
you	O
need.	O
"	O
</s>
<s>
He	O
commented	O
,	O
"	O
Every	O
few	O
years	O
a	O
sim	O
comes	O
along	O
that	O
lets	O
reviewers	O
use	O
the	O
'	O
sets	O
new	O
standards	O
for	O
graphics	O
 '	O
cliché	O
,	O
and	O
Flight	B-Application
Unlimited	I-Application
is	O
the	O
1995	O
entry	O
in	O
this	O
club.	O
"	O
</s>
<s>
Bob	O
and	O
John	O
Nolan	O
called	O
Flight	B-Application
Unlimited	I-Application
"	O
the	O
ultimate	O
show	O
off	O
piece	O
for	O
your	O
new	O
Pentium	O
"	O
,	O
thanks	O
to	O
"	O
unbelievable	O
"	O
graphics	O
superior	O
to	O
those	O
of	O
any	O
other	O
computer	O
game	O
.	O
</s>
<s>
PC	O
Magazines	O
staff	O
found	O
the	O
graphics	O
"	O
impressive	O
"	O
and	O
"	O
even	O
more	O
stunning	O
than	O
those	O
in	O
Microsoft	B-Operating_System
Flight	I-Operating_System
Simulator	I-Operating_System
"	O
.	O
</s>
<s>
Buchanan	O
called	O
Flight	B-Application
Unlimiteds	I-Application
terrain	O
"	O
just	O
superb	O
"	O
and	O
Vizard	O
described	O
it	O
as	O
"	O
amazingly	O
real	O
"	O
.	O
</s>
<s>
Buchanan	O
believed	O
that	O
"	O
what	O
you	O
hear	O
in	O
Flight	B-Application
Unlimited	I-Application
is	O
every	O
bit	O
as	O
good	O
as	O
what	O
you	O
see	O
"	O
,	O
thanks	O
to	O
"	O
utterly	O
convincing	O
"	O
sound	O
effects	O
.	O
</s>
<s>
The	O
editors	O
wrote	O
,	O
"	O
While	O
it	O
requires	O
the	O
most	O
sophisticated	O
computer	O
hardware	O
on	O
the	O
market	O
to	O
be	O
enjoyed	O
,	O
Flight	B-Application
Unlimited	I-Application
rewards	O
gamers	O
with	O
some	O
of	O
the	O
most	O
stunning	O
scenery	O
ever	O
seen	O
in	O
a	O
flight	O
sim.	O
"	O
</s>
<s>
Flight	B-Application
Unlimited	I-Application
was	O
the	O
first	O
of	O
three	O
self-published	O
titles	O
released	O
by	O
Looking	O
Glass	O
Technologies	O
.	O
</s>
<s>
However	O
,	O
the	O
next	O
two	O
products	O
,	O
Terra	B-Application
Nova	I-Application
:	I-Application
Strike	I-Application
Force	I-Application
Centauri	I-Application
(	O
1996	O
)	O
and	O
British	B-Application
Open	I-Application
Championship	I-Application
Golf	I-Application
(	O
1997	O
)	O
,	O
were	O
commercial	O
failures	O
.	O
</s>
<s>
Flight	B-Application
Unlimited	I-Application
was	O
intended	O
to	O
be	O
followed	O
by	O
a	O
combat-oriented	O
sequel	O
,	O
which	O
was	O
developed	O
under	O
the	O
working	O
title	O
Flight	B-Application
Combat	I-Application
.	O
</s>
<s>
However	O
,	O
a	O
company	O
manager	O
,	O
newly	O
instated	O
by	O
venture	O
capital	O
investors	O
who	O
disliked	O
Looking	O
Glass	O
 '	O
management	O
style	O
,	O
instead	O
demanded	O
that	O
Blackley	O
create	O
a	O
direct	O
sequel	O
to	O
Flight	B-Application
Unlimited	I-Application
.	O
</s>
<s>
In	O
response	O
to	O
Blackley	O
's	O
refusal	O
to	O
create	O
Flight	B-Application
Unlimited	I-Application
II	I-Application
,	O
the	O
manager	O
fired	O
him	O
.	O
</s>
<s>
Blackley	O
left	O
the	O
company	O
in	O
late	O
1995	O
with	O
designer	O
Austin	O
Grossman	O
,	O
and	O
both	O
were	O
hired	O
by	O
DreamWorks	O
Interactive	O
to	O
create	O
Jurassic	B-Application
Park	I-Application
:	I-Application
Trespasser	I-Application
.	O
</s>
<s>
He	O
later	O
spearheaded	O
development	O
of	O
the	O
Xbox	B-Application
at	O
Microsoft	O
.	O
</s>
<s>
Constantine	O
Hantzopoulos	O
directed	O
Flight	B-Application
Unlimited	I-Application
II	I-Application
,	O
which	O
was	O
published	O
by	O
Eidos	O
Interactive	O
in	O
1997	O
.	O
</s>
<s>
The	O
team	O
could	O
not	O
continue	O
using	O
the	O
real-time	O
computational	O
fluid	O
dynamics	O
of	O
Flight	B-Application
Unlimited	I-Application
because	O
,	O
according	O
to	O
Hantzopoulos	O
,	O
it	O
was	O
"	O
all	O
black	O
box	O
spaghetti	O
code	O
from	O
Seamus	O
"	O
.	O
</s>
<s>
The	O
development	O
of	O
Flight	B-Application
Combat	I-Application
was	O
hinted	O
at	O
during	O
the	O
production	O
of	O
Flight	B-Application
Unlimited	I-Application
II	I-Application
.	O
</s>
<s>
A	O
third	O
game	O
,	O
Flight	B-Application
Unlimited	I-Application
III	I-Application
,	O
was	O
published	O
by	O
Electronic	O
Arts	O
in	O
1999	O
;	O
and	O
it	O
continued	O
the	O
focus	O
on	O
general	O
aviation	O
.	O
</s>
<s>
That	O
year	O
,	O
Flight	B-Application
Combat	I-Application
was	O
officially	O
announced	O
as	O
the	O
World	O
War	O
II-themed	O
,	O
Electronic	O
Arts-published	O
Flight	B-Application
Combat	I-Application
:	I-Application
Thunder	I-Application
Over	I-Application
Europe	I-Application
,	O
but	O
its	O
name	O
was	O
eventually	O
changed	O
to	O
Jane	B-Application
's	I-Application
Attack	I-Application
Squadron	I-Application
.	O
</s>
