<s>
Simutrans	B-Application
is	O
a	O
cross-platform	B-Operating_System
simulation	O
game	O
in	O
which	O
the	O
player	O
strives	O
to	O
run	O
a	O
successful	O
transport	O
system	O
by	O
constructing	O
and	O
managing	O
transportation	O
systems	O
for	O
passengers	O
,	O
mail	O
and	O
goods	O
by	O
land	O
(	O
rail	O
,	O
road	O
,	O
tram	O
,	O
monorail	B-Language
,	O
maglev	B-Language
)	O
,	O
air	O
(	O
airplanes	O
)	O
and	O
water	O
(	O
ship	O
)	O
between	O
places	O
.	O
</s>
<s>
Like	O
OpenTTD	B-Application
,	O
Simutrans	B-Application
is	O
an	O
open-source	B-Application
transportation	O
game	O
based	O
on	O
the	O
Transport	B-Application
Tycoon	I-Application
idea	O
.	O
</s>
<s>
Simutrans	B-Application
was	O
originally	O
written	O
by	O
Hansjörg	B-Application
Malthaner	I-Application
in	O
1997	O
.	O
</s>
<s>
Simutrans	B-Application
was	O
developed	O
internally	O
as	O
a	O
closed	B-Application
source	I-Application
game	O
until	O
2007	O
,	O
when	O
the	O
software	O
was	O
relicensed	O
under	O
the	O
Artistic	B-License
License	I-License
.	O
</s>
<s>
Simutrans	B-Application
has	O
been	O
ported	O
to	O
Microsoft	B-Application
Windows	I-Application
,	O
Linux	B-Application
,	O
BeOS/Haiku	O
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
AmigaOS	B-Application
4.x	I-Application
,	O
which	O
make	O
use	O
of	O
several	O
graphics	O
libraries	O
such	O
as	O
GDI	B-Operating_System
(	O
Windows	B-Application
only	O
)	O
,	O
SDL	B-Operating_System
(	O
all	O
versions	O
)	O
or	O
Allegro	B-Language
(	O
BeOS	B-Application
only	O
)	O
.	O
</s>
<s>
It	O
is	O
portable	O
to	O
any	O
architecture	O
using	O
GCC	B-Application
and	O
one	O
of	O
the	O
aforementioned	O
libraries	O
.	O
</s>
<s>
Simutrans	B-Application
has	O
also	O
multilingual	O
support	O
.	O
</s>
<s>
The	O
current	O
stable	O
release	O
of	O
Simutrans	B-Application
is	O
version	O
123.0.1	O
as	O
of	O
January	O
30	O
,	O
2022	O
.	O
</s>
<s>
There	O
is	O
a	O
popular	O
branch	O
of	O
the	O
code	O
called	O
Simutrans-Extended	O
,	O
which	O
aims	O
to	O
extend	O
the	O
basic	O
game	O
.	O
</s>
<s>
Simutrans-Extended	O
was	O
formerly	O
called	O
Simutrans-Experimental	O
,	O
but	O
changed	O
its	O
name	O
to	O
Simutrans-Extended	O
on	O
February	O
13	O
,	O
2017	O
to	O
make	O
clear	O
that	O
it	O
is	O
a	O
distinct	O
fork	B-Application
of	O
Simutrans	B-Application
and	O
not	O
a	O
testing	O
branch	O
.	O
</s>
<s>
Nightly	O
builds	O
for	O
Simutrans	B-Application
and	O
the	O
main	O
PakSets	O
are	O
also	O
released	O
for	O
both	O
standard	O
and	O
Extended	O
versions	O
.	O
</s>
<s>
The	O
main	O
goal	O
in	O
Simutrans	B-Application
is	O
to	O
provide	O
an	O
efficient	O
transport	O
system	O
for	O
passengers	O
,	O
mail	O
and	O
goods	O
to	O
be	O
transported	O
to	O
their	O
desired	O
destinations	O
fast	O
and	O
with	O
minimal	O
transfers	O
and	O
at	O
the	O
same	O
time	O
making	O
the	O
company	O
grow	O
avoiding	O
bankruptcy	O
or	O
administration	O
.	O
</s>
<s>
Simutrans	B-Application
has	O
a	O
number	O
of	O
factory	O
chains	O
that	O
are	O
interconnected	O
with	O
other	O
chains	O
,	O
for	O
example	O
,	O
a	O
coal	O
mine	O
produces	O
coal	O
for	O
a	O
coal	O
power	O
plant	O
,	O
and	O
an	O
oil	O
rig	O
produces	O
oil	O
for	O
an	O
oil	O
power	O
plant	O
.	O
</s>
<s>
The	O
Simutrans	B-Application
executable	O
can	O
run	O
many	O
different	O
paksets	O
,	O
which	O
is	O
a	O
package	O
containing	O
files	O
called	O
paks	O
.	O
</s>
<s>
Paks	O
are	O
files	O
with	O
graphic	O
and	O
data	O
files	O
that	O
Simutrans	B-Application
uses	O
to	O
determine	O
the	O
objects	O
in	O
the	O
game	O
,	O
their	O
resolution	O
,	O
appearance	O
,	O
and	O
behavior	O
.	O
</s>
<s>
Simutrans	B-Application
currently	O
features	O
12	O
AI	B-Application
players	O
,	O
and	O
has	O
an	O
online	O
capability	O
similar	O
to	O
OpenTTD	B-Application
since	O
version	O
110.0	O
.	O
</s>
<s>
The	O
terrain	O
in	O
Simutrans	B-Application
is	O
freely-modifiable	O
,	O
and	O
different	O
layers	O
like	O
tunnels	O
and	O
bridges	O
can	O
be	O
stacked	O
,	O
allowing	O
for	O
subways	O
or	O
highways	O
to	O
be	O
constructed	O
.	O
</s>
<s>
Nearly	O
all	O
modes	O
of	O
transportation	O
exist	O
in	O
Simutrans	B-Application
.	O
</s>
<s>
If	O
defined	O
in	O
the	O
pakset	O
,	O
aircraft	O
,	O
monorails	B-Language
and	O
maglevs	B-Language
can	O
also	O
be	O
used	O
.	O
</s>
<s>
Simutrans	B-Application
features	O
an	O
online	O
multiplayer	O
mode	O
.	O
</s>
<s>
Simutrans-Extended	O
also	O
features	O
an	O
online	O
mode	O
,	O
including	O
a	O
long-term	O
semi-persistent	O
online	O
server	O
in	O
which	O
the	O
game	O
world	O
typically	O
lasts	O
over	O
a	O
year	O
before	O
being	O
reset	O
.	O
</s>
<s>
The	O
Simutrans	B-Application
executable	O
must	O
load	O
a	O
pakset	O
which	O
contains	O
the	O
game	O
's	O
objects	O
.	O
</s>
<s>
Simutrans	B-Application
can	O
easily	O
be	O
expanded	O
or	O
modified	O
.	O
</s>
<s>
GameDaily	O
's	O
Big	O
Download	O
considered	O
Simutrans	B-Application
to	O
be	O
one	O
of	O
the	O
best	O
freeware	B-License
games	O
,	O
highlighting	O
the	O
logical	O
system	O
of	O
routing	O
passengers	O
and	O
freight	O
to	O
their	O
destinations	O
,	O
decent	O
AI	B-Application
opponents	O
and	O
the	O
support	O
for	O
custom	O
aesthetics	O
or	O
rules-sets	O
.	O
</s>
<s>
Another	O
review	O
from	O
Amiga	O
Future	O
came	O
to	O
very	O
similar	O
conclusions	O
(	O
apart	O
from	O
the	O
lack	O
of	O
sound	O
support	O
on	O
Amiga	B-Application
OS	I-Application
)	O
.	O
</s>
<s>
Between	O
2007	O
and	O
June	O
2017	O
Simutrans	B-Application
was	O
downloaded	O
from	O
SourceForge	B-Application
over	O
5.6	O
million	O
times	O
.	O
</s>
