<s>
Ghost	B-Application
Hunters	I-Application
is	O
a	O
platform	O
game	O
written	O
by	O
the	O
Oliver	O
twins	O
for	O
the	O
Amstrad	B-Device
CPC	I-Device
and	O
published	O
by	O
Codemasters	O
in	O
January	O
1987	O
.	O
</s>
<s>
It	O
was	O
also	O
converted	O
and	O
released	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
(	O
1987	O
)	O
and	O
Commodore	O
64	O
(	O
1989	O
)	O
platforms	O
.	O
</s>
<s>
The	O
game	O
combines	O
platform-style	O
action	O
with	O
shooting	O
gameplay	O
similar	O
to	O
that	O
found	O
in	O
the	O
game	O
Operation	B-Application
Wolf	I-Application
.	O
</s>
<s>
It	O
was	O
conceived	O
as	O
a	O
sequel	O
to	O
their	O
first	O
commercially	O
successful	O
game	O
,	O
Super	B-Application
Robin	I-Application
Hood	I-Application
,	O
although	O
it	O
has	O
little	O
to	O
do	O
with	O
this	O
game	O
other	O
than	O
using	O
a	O
modified	O
version	O
of	O
its	O
engine	O
.	O
</s>
<s>
The	O
twins	O
have	O
credited	O
the	O
film	O
Ghostbusters	B-Operating_System
and	O
the	O
cartoon	O
series	O
Scooby-Doo	B-Application
for	O
influencing	O
the	O
game	O
.	O
</s>
<s>
Like	O
their	O
previous	O
game	O
,	O
Super	B-Application
Robin	I-Application
Hood	I-Application
,	O
the	O
player	O
controls	O
a	O
character	O
(	O
named	O
Hunk	O
Studbuckle	O
)	O
around	O
the	O
platform	O
style	O
screen	O
using	O
the	O
keyboard	O
or	O
joystick	O
.	O
</s>
<s>
Uniquely	O
,	O
to	O
attack	O
the	O
enemy	O
,	O
the	O
player	O
must	O
temporarily	O
use	O
the	O
cursor	O
keys	O
to	O
move	O
targeting	O
cross-hairs	O
to	O
shoot	O
ghosts	O
and	O
demons	O
(	O
in	O
a	O
similar	O
manner	O
to	O
Operation	B-Application
Wolf	I-Application
)	O
,	O
causing	O
the	O
character	O
to	O
stand	O
still	O
.	O
</s>
<s>
The	O
game	O
is	O
one	O
of	O
few	O
available	O
on	O
the	O
CPC	O
and	O
ZX	B-Operating_System
Spectrum	I-Operating_System
platforms	O
to	O
feature	O
low	O
resolution	O
clips	O
of	O
human	O
speech	O
,	O
although	O
playing	O
them	O
was	O
so	O
CPU-intensive	O
that	O
the	O
game	O
was	O
required	O
to	O
freeze	O
for	O
their	O
duration	O
.	O
</s>
<s>
Codemasters	O
paid	O
the	O
Oliver	O
brothers	O
£	O
10,000	O
for	O
the	O
Amstrad	B-Device
CPC	I-Device
release	O
and	O
were	O
offered	O
another	O
£	O
10,000	O
for	O
a	O
ZX	B-Operating_System
Spectrum	I-Operating_System
release	O
.	O
</s>
<s>
1	O
title	O
,	O
Super	B-Application
Robin	I-Application
Hood	I-Application
being	O
ported	O
to	O
other	O
platforms	O
gave	O
the	O
Oliver	O
twins	O
a	O
large	O
amount	O
of	O
media	O
exposure	O
,	O
being	O
dubbed	O
"	O
The	O
Oliver	O
Twins	O
-	O
Whizz	O
Kids	O
"	O
.	O
</s>
