<s>
Lemmings	B-Operating_System
Revolution	I-Operating_System
is	O
a	O
puzzle	O
video	O
game	O
released	O
in	O
2000	O
.	O
</s>
<s>
Like	O
previous	O
games	O
in	O
the	O
Lemmings	B-Application
series	O
,	O
the	O
object	O
of	O
the	O
game	O
is	O
to	O
guide	O
the	O
lemmings	B-Application
characters	O
to	O
an	O
exit	O
by	O
giving	O
them	O
specific	O
skills	O
.	O
</s>
<s>
The	O
storyline	O
of	O
Lemmings	B-Operating_System
Revolution	I-Operating_System
revolves	O
around	O
Weasel	O
characters	O
that	O
once	O
entertained	O
themselves	O
by	O
watching	O
the	O
old	O
adventures	O
of	O
the	O
lemmings	B-Application
.	O
</s>
<s>
Wanting	O
more	O
,	O
they	O
have	O
captured	O
the	O
lemmings	B-Application
and	O
created	O
new	O
puzzles	O
,	O
so	O
they	O
can	O
watch	O
the	O
lemmings	B-Application
.	O
</s>
<s>
All	O
levels	O
now	O
consist	O
of	O
cylindrical	O
columns	O
,	O
causing	O
the	O
lemmings	B-Application
to	O
walk	O
in	O
large	O
circles	O
on	O
the	O
outer-most	O
area	O
.	O
</s>
<s>
The	O
levels	O
no	O
longer	O
have	O
an	O
end	O
at	O
left	O
or	O
right	O
,	O
giving	O
lemmings	B-Application
the	O
ability	O
to	O
return	O
to	O
a	O
location	O
without	O
retracing	O
their	O
route	O
when	O
encountering	O
an	O
obstacle	O
.	O
</s>
<s>
This	O
whole	O
concept	O
was	O
first	O
shown	O
in	O
8-bit	O
era	O
game	O
Nebulus	B-Application
,	O
one	O
of	O
the	O
most	O
famous	O
platform	O
games	O
for	O
the	O
Commodore	O
64	O
and	O
other	O
contemporary	O
computers	O
.	O
</s>
<s>
All	O
original	O
eight	O
skills	O
from	O
Lemmings	B-Application
return	O
in	O
this	O
game	O
,	O
with	O
the	O
same	O
usage	O
.	O
</s>
<s>
The	O
game	O
received	O
above-average	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
GameRankings	O
.	O
</s>
<s>
Kevin	O
Rice	O
of	O
NextGen	O
said	O
,	O
"	O
As	O
a	O
puzzle	O
game	O
that	O
can	O
be	O
quite	O
complex	O
,	O
Lemmings	B-Operating_System
Revolution	I-Operating_System
is	O
n't	O
for	O
everybody	O
.	O
</s>
