<s>
3D	B-Device
Construction	I-Device
Kit	I-Device
(	O
US	O
,	O
Canada	O
and	O
Israel	O
release	O
title	O
:	O
Virtual	B-Device
Reality	I-Device
Studio	I-Device
)	O
,	O
also	O
known	O
as	O
3D	B-Device
Virtual	I-Device
Studio	I-Device
,	O
is	O
a	O
utility	O
for	O
creating	O
3D	O
worlds	O
in	O
Freescape	B-Application
.	O
</s>
<s>
Developed	O
by	O
Incentive	O
Software	O
and	O
published	O
by	O
Domark	O
,	O
it	O
was	O
released	O
in	O
1991	O
on	O
multiple	O
platforms	B-Device
.	O
</s>
<s>
The	O
game	O
originally	O
retailed	O
for	O
£24.99	O
for	O
the	O
8-bit	O
version	O
,	O
and	O
£49.99	O
for	O
16-bit	O
version	O
and	O
the	O
32-bit	O
Acorn	B-Device
Archimedes	I-Device
version	O
,	O
in	O
the	O
United	O
Kingdom	O
.	O
</s>
<s>
A	O
sequel	O
,	O
3D	B-Application
Construction	I-Application
Kit	I-Application
II	I-Application
,	O
was	O
released	O
in	O
1992	O
,	O
but	O
only	O
available	O
on	O
Amiga	B-Device
,	O
Atari	B-Device
ST	I-Device
and	O
MS-DOS	B-Application
.	O
</s>
<s>
Incentive	O
Software	O
had	O
released	O
games	O
using	O
the	O
Freescape	B-Application
engine	I-Application
before	O
,	O
but	O
with	O
3D	B-Device
Construction	I-Device
Kit	I-Device
,	O
the	O
company	O
took	O
the	O
concept	O
to	O
a	O
whole	O
new	O
level	O
,	O
giving	O
users	O
the	O
ability	O
to	O
create	O
their	O
own	O
worlds	O
and	O
games	O
.	O
</s>
<s>
In	O
3D	B-Device
Construction	I-Device
Kit	I-Device
,	O
interaction	O
with	O
the	O
world	O
is	O
usually	O
limited	O
to	O
a	O
cursor	O
controlled	O
with	O
the	O
keyboard	B-Device
,	O
offering	O
the	O
possibility	O
of	O
interaction	O
with	O
nearby	O
objects	O
.	O
</s>
<s>
The	O
kit	O
has	O
a	O
very	O
simple	O
graphical	B-Application
user	I-Application
interface	I-Application
,	O
allowing	O
users	O
to	O
create	O
and	O
manipulate	O
objects	O
within	O
the	O
game	O
's	O
3D	O
environment	O
.	O
</s>
<s>
Primitives	B-Algorithm
such	O
as	O
cubes	O
,	O
cuboids	O
and	O
pyramids	O
can	O
be	O
easily	O
created	O
and	O
edited	O
to	O
be	O
scaled	O
and	O
placed	O
on	O
the	O
3D	O
world	O
.	O
</s>
<s>
Animations	O
may	O
also	O
be	O
added	O
to	O
the	O
primitives	B-Algorithm
,	O
either	O
by	O
looping	O
or	O
simple	O
moving	O
attributes	O
to	O
objects	O
,	O
to	O
create	O
simple	O
,	O
although	O
seemingly	O
advanced	O
,	O
animations	O
.	O
</s>
<s>
In	O
order	O
to	O
make	O
games	O
rather	O
than	O
worlds	O
,	O
3D	B-Device
Construction	I-Device
Kit	I-Device
also	O
allows	O
for	O
the	O
addition	O
of	O
conditions	O
,	O
using	O
the	O
very	O
simple-to-program	O
Freescape	B-Application
Command	O
Language	O
(	O
FCL	O
)	O
.	O
</s>
<s>
Elements	O
such	O
as	O
proximity	O
sensors	O
triggering	O
events	O
,	O
enemies	O
making	O
the	O
player	O
appear	O
in	O
another	O
zone	O
of	O
the	O
game	O
when	O
hit	O
,	O
and	O
the	O
ability	O
to	O
activate	O
switches	O
in	O
order	O
to	O
open	O
doors	O
,	O
make	O
the	O
worlds	O
created	O
with	O
3D	B-Device
Construction	I-Device
Kit	I-Device
come	O
to	O
life	O
and	O
add	O
a	O
level	O
of	O
uncertainty	O
to	O
the	O
gameplay	O
.	O
</s>
<s>
The	O
interface	O
of	O
the	O
game	O
is	O
customisable	O
;	O
by	O
adding	O
a	O
320×200	O
,	O
16-colour	O
IFF	B-Device
screen	O
created	O
with	O
any	O
image	O
editing	O
program	O
,	O
the	O
games	O
created	O
with	O
this	O
tool	O
could	O
be	O
made	O
to	O
look	O
more	O
professional	O
.	O
</s>
<s>
3D	B-Device
Construction	I-Device
Kit	I-Device
employs	O
the	O
Freescape	B-Application
Command	O
Language	O
(	O
FCL	O
)	O
,	O
which	O
allows	O
functions	O
to	O
be	O
performed	O
when	O
certain	O
conditions	O
occur	O
within	O
the	O
Freescape	B-Application
environment	O
.	O
</s>
<s>
The	O
16-bit	O
3D	B-Device
Construction	I-Device
Kit	I-Device
has	O
a	O
standard	O
sound	O
bank	O
which	O
can	O
store	O
up	O
to	O
32	O
sounds	O
.	O
</s>
<s>
3D	B-Device
Construction	I-Device
Kit	I-Device
was	O
originally	O
released	O
on	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
in	O
early	O
1991	O
.	O
</s>
<s>
Later	O
the	O
same	O
year	O
it	O
was	O
adapted	O
for	O
numerous	O
other	O
platforms	B-Device
,	O
including	O
versions	O
for	O
the	O
Amstrad	B-Device
CPC	I-Device
,	O
Atari	B-Device
ST	I-Device
,	O
PC	B-Device
as	O
well	O
as	O
the	O
Commodore	O
64	O
and	O
Commodore	B-Device
128	I-Device
.	O
</s>
<s>
A	O
version	O
for	O
the	O
Amiga	B-Device
was	O
released	O
on	O
1	O
June	O
1991	O
and	O
proved	O
relatively	O
popular	O
with	O
computer	O
users	O
.	O
</s>
<s>
The	O
Acorn	B-Device
Archimedes	I-Device
version	O
was	O
released	O
in	O
January	O
1992	O
.	O
</s>
<s>
The	O
different	O
versions	O
of	O
the	O
game	O
varied	O
slightly	O
in	O
their	O
user	B-Application
interface	I-Application
,	O
which	O
was	O
progressively	O
improved	O
with	O
each	O
successive	O
release	O
.	O
</s>
<s>
The	O
3D	B-Device
Construction	I-Device
Kit	I-Device
packages	O
came	O
with	O
a	O
30-minute	O
video	O
tape	O
,	O
featuring	O
an	O
introduction	O
and	O
a	O
tutorial	O
presented	O
by	O
Ian	O
Andrew	O
,	O
the	O
original	O
designer	O
of	O
the	O
Freescape	B-Application
system	O
.	O
</s>
<s>
3D	B-Device
Construction	I-Device
Kit	I-Device
is	O
available	O
in	O
five	O
language	O
editions	O
:	O
English	O
,	O
German	O
,	O
French	O
,	O
Spanish	O
and	O
Italian	O
.	O
</s>
<s>
The	O
ZX	B-Operating_System
Spectrum	I-Operating_System
version	O
was	O
critically	O
acclaimed	O
,	O
receiving	O
92%	O
from	O
Your	O
Sinclair	O
and	O
a	O
Crash	O
Smash	O
from	O
CRASH	O
.	O
</s>
<s>
The	O
Amiga	B-Device
version	O
received	O
scores	O
above	O
90%	O
by	O
three	O
magazines	O
:	O
The	O
One	O
,	O
Amiga	B-Device
Format	O
and	O
Amiga	B-Device
Action	O
.	O
</s>
<s>
Computer	O
Gaming	O
World	O
was	O
much	O
less	O
positive	O
,	O
warning	O
that	O
the	O
PC	B-Device
version	O
"	O
is	O
not	O
for	O
the	O
fainthearted	O
or	O
the	O
boot-up-and-play-without-looking-at-the-manual	O
crowd	O
"	O
.	O
</s>
<s>
The	O
magazine	O
criticized	O
the	O
software	O
only	O
providing	O
one	O
large	O
precreated	O
object	O
and	O
the	O
inability	O
to	O
reuse	O
elements	O
from	O
the	O
sample	O
provided	O
game	O
,	O
and	O
stated	O
that	O
"	O
the	O
Freescape	B-Application
world	O
itself	O
 [ is ] 	O
unsatisfying	O
...	O
a	O
heartless	O
and	O
barren	O
place	O
...	O
long	O
abandoned	O
by	O
all	O
forms	O
of	O
life	O
"	O
.	O
</s>
