<s>
Lego	B-Application
Rock	I-Application
Raiders	I-Application
is	O
a	O
video	O
game	O
developed	O
by	O
Data	O
Design	O
Interactive	O
and	O
published	O
by	O
Lego	O
Media	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
PlayStation	B-Device
.	O
</s>
<s>
It	O
is	O
based	O
on	O
the	O
Lego	O
theme	O
of	B-Application
the	I-Application
same	I-Application
name	I-Application
.	O
</s>
<s>
The	O
Windows	O
version	O
was	O
released	O
in	O
1999	O
,	O
while	O
a	O
differently	O
built	O
game	O
for	O
PlayStation	B-Device
was	O
released	O
in	O
2000	O
.	O
</s>
<s>
The	O
Windows	O
version	O
is	O
a	O
real-time	O
strategy	B-Application
game	I-Application
similar	O
to	O
Dungeon	B-Application
Keeper	I-Application
,	O
and	O
was	O
the	O
first	O
video	O
game	O
for	O
the	O
Rock	O
Raiders	O
theme	O
.	O
</s>
<s>
Unlike	O
the	O
Windows	O
version	O
,	O
the	O
PlayStation	B-Device
version	O
is	O
an	O
action	B-Application
and	O
strategy	B-Application
game	I-Application
,	O
in	O
which	O
the	O
player	O
controls	O
a	O
character	O
instead	O
of	O
just	O
commanding	O
a	O
squad	O
.	O
</s>
<s>
There	O
are	O
eighteen	O
campaign	O
missions	O
,	O
and	O
six	O
multiplayer	O
missions	O
,	O
all	O
completely	O
different	O
between	O
the	O
NTSC	O
and	O
PAL	B-Language
versions	O
of	O
the	O
game	O
.	O
</s>
<s>
The	O
PAL	B-Language
version	O
also	O
including	O
three	O
bonus	O
missions	O
that	O
are	O
accessible	O
after	O
the	O
campaign	O
is	O
completely	O
finished	O
,	O
and	O
twelve	O
additional	O
multiplayer	O
missions	O
reusing	O
levels	O
from	O
the	O
main	O
campaign	O
.	O
</s>
<s>
The	O
game	O
received	O
mixed	O
reviews	O
on	O
both	O
platforms	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
GameRankings	O
.	O
</s>
