<s>
18	B-Application
Wheels	I-Application
of	I-Application
Steel	I-Application
is	O
a	O
series	O
of	O
trucking	O
simulators	O
developed	O
by	O
SCS	O
Software	O
and	O
published	O
by	O
ValuSoft	O
from	O
2002	O
to	O
2011	O
,	O
as	O
a	O
spin-off	O
of	O
Hard	B-Application
Truck	I-Application
,	O
with	O
the	O
first	O
game	O
becoming	O
the	O
third	O
Hard	B-Application
Truck	I-Application
game	O
released	O
.	O
</s>
<s>
This	O
installment	O
is	O
very	O
similar	O
to	O
Hard	B-Application
Truck	I-Application
:	I-Application
18	I-Application
Wheels	I-Application
of	I-Application
Steel	I-Application
except	O
that	O
the	O
graphics	O
were	O
updated	O
,	O
more	O
trucks	O
and	O
cargo	O
were	O
added	O
,	O
and	O
a	O
new	O
map	O
was	O
created	O
that	O
enables	O
users	O
to	O
travel	O
across	O
the	O
entire	O
continental	O
U.S.	O
,	O
through	O
30	O
cities	O
.	O
</s>
<s>
Unlike	O
Hard	B-Application
Truck	I-Application
:	I-Application
18	I-Application
Wheels	I-Application
of	I-Application
Steel	I-Application
,	O
Across	O
America	O
does	O
not	O
feature	O
a	O
sleep	O
timer	O
.	O
</s>
<s>
There	O
is	O
an	O
improved	O
traffic	O
model	O
as	O
well	O
as	O
airplanes	O
,	O
helicopters	B-Application
,	O
and	O
trains	O
with	O
authentic	O
sounds	O
.	O
</s>
<s>
18	B-Application
Wheels	I-Application
of	I-Application
Steel	I-Application
:	I-Application
Pedal	I-Application
to	I-Application
the	I-Application
Metal	I-Application
requires	O
OpenGL	B-Application
.	O
</s>
<s>
In	O
this	O
updated	O
installment	O
,	O
the	O
player	O
can	O
travel	O
through	O
the	O
United	O
States	O
,	O
as	O
well	O
as	O
southern	O
Canada	O
,	O
though	O
it	O
differs	O
from	O
18	B-Application
Wheels	I-Application
of	I-Application
Steel	I-Application
:	I-Application
Pedal	I-Application
to	I-Application
the	I-Application
Metal	I-Application
in	O
that	O
Mexican	O
cities	O
are	O
not	O
present	O
.	O
</s>
<s>
from	O
18	B-Application
Wheels	I-Application
of	I-Application
Steel	I-Application
:	I-Application
Pedal	I-Application
to	I-Application
the	I-Application
Metal	I-Application
have	O
returned	O
but	O
the	O
map	O
for	O
each	O
was	O
slightly	O
updated	O
.	O
</s>
<s>
Released	O
in	O
2011	O
,	O
Extreme	O
Trucker	O
2	O
is	O
a	O
sequel	O
to	O
18	B-Application
Wheels	I-Application
of	I-Application
Steel	I-Application
:	I-Application
Extreme	I-Application
Trucker	I-Application
.	O
</s>
