<s>
Railroad	B-Application
Tycoon	I-Application
3	I-Application
is	O
a	O
video	O
game	O
,	O
part	O
of	O
the	O
Railroad	O
Tycoon	O
series	O
,	O
that	O
was	O
released	O
in	O
2003	O
.	O
</s>
<s>
The	O
square	O
grid	O
is	O
no	O
longer	O
rigid	O
,	O
as	O
it	O
was	O
in	O
Railroad	O
Tycoon	O
and	O
Railroad	B-Application
Tycoon	I-Application
II	I-Application
-	O
rail	O
and	O
structures	O
can	O
now	O
be	O
rotated	O
360	O
degrees	O
.	O
</s>
<s>
Carloads	O
in	O
Railroad	B-Application
Tycoon	I-Application
3	I-Application
slowly	O
move	O
across	O
the	O
map	O
(	O
representing	O
road	O
and	O
water	O
transport	O
)	O
along	O
the	O
gradient	O
of	O
a	O
scalar	O
field	O
representing	O
price	O
,	O
where	O
supply	O
and	O
demand	O
sites	O
function	O
as	O
sources	O
and	O
sinks	O
.	O
</s>
<s>
Steinmeyer	O
gave	O
the	O
example	O
of	O
a	O
building	O
that	O
went	O
as	O
high	O
as	O
931	O
or	O
as	O
low	O
as	O
55	O
polygons	B-General_Concept
,	O
based	O
on	O
the	O
closeness	O
of	O
the	O
camera	O
.	O
</s>
<s>
According	O
to	O
Steinmeyer	O
,	O
the	O
Railroad	B-Application
Tycoon	I-Application
3	I-Application
team	O
comprised	O
13	O
people	O
and	O
development	O
lasted	O
roughly	O
two	O
and	O
a	O
half	O
years	O
.	O
</s>
<s>
A	O
port	O
for	O
Mac	B-Device
was	O
published	O
and	O
developed	O
by	O
MacSoft	O
,	O
and	O
released	O
in	O
2004	O
.	O
</s>
<s>
Railroad	B-Application
Tycoon	I-Application
3	I-Application
received	O
"	O
generally	O
favorable	O
"	O
reviews	O
,	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
Johnny	O
L	O
.	O
Wilson	O
of	O
Computer	O
Gaming	O
World	O
praised	O
Railroad	B-Application
Tycoon	I-Application
3s	I-Application
visuals	O
,	O
as	O
well	O
as	O
the	O
detail	O
of	O
its	O
"	O
marvelous	O
"	O
economics	O
simulation	O
.	O
</s>
<s>
Writing	O
for	O
X-Play	O
,	O
John	O
Duggan	O
called	O
Railroad	B-Application
Tycoon	I-Application
3	I-Application
"	O
a	O
serious	O
time	O
suck	O
and	O
highly	O
addictive.	O
"	O
</s>
<s>
While	O
he	O
criticized	O
its	O
changes	O
to	O
the	O
ledger	O
interface	O
from	O
Railroad	B-Application
Tycoon	I-Application
II	I-Application
,	O
he	O
noted	O
the	O
sequel	O
's	O
"	O
more	O
sophisticated	O
economic	O
model	O
"	O
,	O
and	O
summarized	O
it	O
as	O
a	O
"	O
rewarding	O
"	O
experience	O
.	O
</s>
<s>
GameSpy	O
named	O
Railroad	B-Application
Tycoon	I-Application
3	I-Application
the	O
tenth-best	O
computer	O
game	O
of	O
2003	O
,	O
and	O
the	O
year	O
's	O
best	O
"	O
PC	O
Empire	O
Builder	O
"	O
game	O
.	O
</s>
<s>
The	O
editors	O
of	O
Computer	O
Gaming	O
World	O
nominated	O
it	O
for	O
their	O
2003	O
"	O
Strategy	O
Game	O
of	O
the	O
Year	O
"	O
award	O
,	O
which	O
ultimately	O
went	O
to	O
Age	B-Application
of	I-Application
Wonders	I-Application
:	I-Application
Shadow	I-Application
Magic	I-Application
.	O
</s>
<s>
They	O
wrote	O
that	O
"	O
PopTop	O
Software	O
has	O
done	O
an	O
amazing	O
job	O
updating	O
this	O
venerable	O
series	O
"	O
,	O
but	O
found	O
Railroad	B-Application
Tycoon	I-Application
3	I-Application
too	O
lacking	O
in	O
innovation	O
to	O
win	O
the	O
award	O
.	O
</s>
<s>
The	O
game	O
was	O
also	O
a	O
finalist	O
for	O
IGN'''s	O
"	O
Best	O
Economic	B-Application
Simulation	I-Application
Game	I-Application
"	O
and	O
GameSpot	O
's	O
"	O
Best	O
PC	O
Game	O
"	O
and	O
"	O
Best	O
Strategy	O
Game	O
"	O
awards	O
,	O
but	O
lost	O
to	O
SimCity	B-Application
4	I-Application
and	O
Rise	B-Application
of	I-Application
Nations	I-Application
in	O
these	O
categories	O
.	O
</s>
