<s>
Gridrunner++	B-Application
is	O
a	O
shoot	O
'	O
em	O
up	O
written	O
by	O
Jeff	O
Minter	O
for	O
Pocket	B-Device
PC	I-Device
,	O
then	O
for	O
Windows	B-Application
.	O
</s>
<s>
It	O
has	O
since	O
been	O
ported	O
to	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
iOS	B-Application
.	O
</s>
<s>
It	O
was	O
only	O
available	O
as	O
shareware	B-License
for	O
download	O
from	O
the	O
Llamasoft	O
website	O
,	O
with	O
a	O
registration	O
fee	O
of	O
£5	O
.	O
</s>
<s>
It	O
was	O
followed-up	O
by	O
Gridrunner	B-Application
Revolution	I-Application
(	O
2009	O
)	O
and	O
Gridrunner	B-Application
iOS	I-Application
(	O
2012	O
)	O
.	O
</s>
<s>
The	O
player	O
controls	O
a	O
spacecraft	O
with	O
the	O
mouse	B-Device
.	O
</s>
<s>
The	O
"	O
Special	O
Edition	O
"	O
of	O
Gridrunner++	B-Application
was	O
originally	O
created	O
for	O
a	O
gathering	O
of	O
members	O
of	O
the	O
Llamasoft	O
message	O
board	O
taking	O
place	O
in	O
London	O
.	O
</s>
<s>
The	O
Special	O
Edition	O
is	O
based	O
on	O
the	O
registered	O
version	O
of	O
Gridrunner++	B-Application
;	O
no	O
trial	B-License
version	I-License
of	O
it	O
exists	O
.	O
</s>
<s>
The	O
main	O
title	O
reads	O
"	O
Gridrunner++	B-Application
London	O
Jolly	O
2	O
Special	O
Edition	O
"	O
.	O
</s>
<s>
The	O
player	O
's	O
ship	O
can	O
fire	O
horizontally	O
by	O
holding	O
down	O
the	O
left	O
mouse	B-Device
button	O
.	O
</s>
<s>
The	O
Mac	O
version	O
has	O
several	O
additions	O
to	O
the	O
Windows	B-Application
version	O
including	O
live	O
online	O
scoreboards	O
and	O
"	O
Turbo	O
Nutter	O
Mode	O
"	O
which	O
allows	O
the	O
player	O
to	O
enjoy	O
the	O
game	O
at	O
double	O
speed	O
.	O
</s>
