<s>
Discovery	B-Application
:	I-Application
In	I-Application
the	I-Application
Steps	I-Application
of	I-Application
Columbus	I-Application
is	O
a	O
video	O
game	O
developed	O
by	O
Impressions	O
Games	O
and	O
published	O
in	O
1992	O
for	O
MS-DOS	B-Application
compatible	O
operating	O
systems	O
.	O
</s>
<s>
Discovery	B-Application
:	I-Application
In	I-Application
the	I-Application
Steps	I-Application
of	I-Application
Columbus	I-Application
is	O
a	O
historical	O
simulation	O
involving	O
discovery	O
and	O
conquest	O
with	O
ships	O
exploring	O
the	O
world	O
.	O
</s>
