<s>
Ports	B-Application
of	I-Application
Call	I-Application
is	O
a	O
1986	O
business	B-Application
simulation	I-Application
game	I-Application
developed	O
by	O
German	O
duo	O
Rolf-Dieter	O
Klein	O
and	O
Martin	O
Ulrich	O
,	O
and	O
published	O
by	O
Aegis	O
Interactive	O
Entertainment	O
.	O
</s>
<s>
It	O
was	O
initially	O
released	O
for	O
AmigaOS	B-Application
.	O
</s>
<s>
After	O
a	O
subsequent	O
early	O
release	O
for	O
DOS	B-Device
it	O
was	O
also	O
made	O
available	O
to	O
a	O
number	O
of	O
different	O
platforms	O
over	O
the	O
years	O
,	O
including	O
Windows	O
,	O
iOS	B-Application
,	O
Android	B-Application
and	O
as	O
a	O
browser	O
game	O
.	O
</s>
<s>
Roy	O
Wagner	O
reviewed	O
the	O
game	O
for	O
Computer	O
Gaming	O
World	O
,	O
and	O
stated	O
that	O
"	O
Ports	B-Application
of	I-Application
Call	I-Application
provides	O
plenty	O
of	O
challenge	O
without	O
being	O
bogged	O
down	O
with	O
lots	O
of	O
economic	O
details.	O
"	O
</s>
