<s>
The	O
Seiddab	B-Application
Trilogy	I-Application
is	O
a	O
series	O
of	O
video	O
games	O
designed	O
by	O
Steve	O
Turner	O
(	O
as	O
Graftgold	O
)	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
published	O
by	O
Hewson	O
Consultants	O
.	O
</s>
<s>
It	O
consists	O
of	O
3D	O
Space-Wars	O
(	O
1983	O
)	O
,	O
3D	O
Seiddab	B-Application
Attack	O
(	O
1984	O
)	O
,	O
and	O
3D	O
Lunattack	O
.	O
</s>
<s>
All	O
three	O
games	O
were	O
later	O
published	O
together	O
as	O
The	O
Seiddab	B-Application
Trilogy	I-Application
by	O
Hewson	O
for	O
the	O
Rotronics	B-Device
Wafadrive	I-Device
.	O
</s>
<s>
Astroclone	O
(	O
1985	B-Application
)	O
,	O
also	O
written	O
by	O
Turner	O
is	O
part	O
of	O
this	O
series	O
.	O
</s>
<s>
3D	O
Seiddab	B-Application
Attack	O
was	O
released	O
in	O
1984	O
by	O
Hewson	O
Consultants	O
.	O
</s>
<s>
The	O
player	O
takes	O
control	O
of	O
a	O
Z5	O
Luna	O
Hover	O
Fighter	O
in	O
an	O
attack	O
against	O
the	O
Seiddab	B-Application
command	O
base	O
.	O
</s>
<s>
The	O
game	O
requires	O
the	O
player	O
to	O
attack	O
the	O
Seiddab	B-Application
base	O
,	O
which	O
is	O
protected	O
by	O
three	O
rings	O
of	O
defense	O
.	O
</s>
<s>
At	O
any	O
time	O
the	O
player	O
may	O
be	O
attacked	O
by	O
Seiddab	B-Application
fighters	O
.	O
</s>
<s>
Sinclair	O
User	O
said	O
of	O
the	O
game	O
"	O
the	O
controls	O
are	O
difficult	O
to	O
handle	O
and	O
of	O
the	O
type	O
where	O
you	O
lose	O
position	O
rapidly	O
through	O
having	O
to	O
over-correct	O
continually	O
"	O
,	O
while	O
CRASH	O
decided	O
that	O
"	O
the	O
display	O
is	O
wonderful	O
,	O
the	O
best	O
three	O
dimensional	O
Battlezone-type	O
game	O
yet	O
...	O
Really	O
excellent	O
,	O
most	O
playable	O
and	O
addictive	O
too.	O
"	O
</s>
<s>
Astroclone	O
was	O
published	O
in	O
1985	B-Application
by	O
Hewson	O
Consultants	O
.	O
</s>
<s>
Its	O
working	O
title	O
was	O
Seiclone	O
,	O
but	O
was	O
changed	O
to	O
avoid	O
confusion	O
with	O
Vortex	O
Software	O
's	O
Cyclone	B-Application
.	O
</s>
<s>
The	O
game	O
combines	O
shoot	O
'	O
em	O
up	O
sections	O
with	O
arcade	O
adventure	O
elements	O
that	O
Turner	O
had	O
developed	O
with	O
Avalon	B-Application
(	O
1984	O
)	O
and	O
Dragontorc	B-Application
(	O
1985	B-Application
)	O
.	O
</s>
