<s>
Gridrunner	B-Application
Revolution	I-Application
is	O
an	O
action	O
game	O
developed	O
by	O
Llamasoft	O
for	O
Windows	O
.	O
</s>
<s>
Gridrunner	B-Application
Revolution	I-Application
was	O
originally	O
named	O
Gridrunner+++	B-Application
to	O
indicate	O
its	O
status	O
as	O
an	O
enhanced	O
version	O
of	O
Jeff	O
Minter	O
's	O
earlier	O
PC	B-Device
and	O
Pocket	B-Device
PC	I-Device
game	O
Gridrunner++	B-Application
.	O
</s>
<s>
The	O
original	O
intention	O
was	O
to	O
convert	O
Gridrunner++	B-Application
to	O
XBLA	O
with	O
new	O
graphics	O
and	O
gameplay	O
mechanics	O
.	O
</s>
<s>
They	O
thus	O
continued	O
to	O
develop	O
the	O
PC	B-Device
version	O
of	O
the	O
game	O
,	O
which	O
was	O
originally	O
intended	O
to	O
be	O
released	O
after	O
the	O
XBLA	O
version	O
as	O
with	O
Space	B-Application
Giraffe	I-Application
.	O
</s>
<s>
In	O
the	O
course	O
of	O
adapting	O
the	O
game	O
to	O
be	O
primarily	O
a	O
PC	B-Device
game	O
,	O
a	O
number	O
of	O
improvements	O
to	O
the	O
gameplay	O
were	O
added	O
,	O
which	O
dramatically	O
changed	O
the	O
play	O
of	O
the	O
game	O
.	O
</s>
<s>
The	O
name	O
Gridrunner	B-Application
Revolution	I-Application
was	O
suggested	O
by	O
Sin	O
,	O
a	O
member	O
of	O
the	O
YakYak	O
forum	O
to	O
indicate	O
this	O
advancement	O
.	O
</s>
<s>
The	O
game	O
begins	O
play	O
as	O
a	O
straightforward	O
"	O
bottom-up	O
"	O
shooter	O
as	O
with	O
Gridrunner++	B-Application
,	O
but	O
the	O
player	O
can	O
(	O
and	O
is	O
required	O
to	O
)	O
rotate	O
the	O
ship	O
.	O
</s>
<s>
Simulated	O
versions	O
of	O
the	O
original	O
VIC-20	O
and	O
C64	O
releases	O
of	O
Gridrunner	B-Application
are	O
included	O
.	O
</s>
