<s>
Alpha	B-Application
Waves	I-Application
is	O
a	O
1990	O
3D	O
game	O
that	O
combines	O
labyrinthine	O
exploration	O
with	O
platform	O
gameplay	O
.	O
</s>
<s>
Alpha	B-Application
Waves	I-Application
was	O
an	O
abstract	O
game	O
with	O
a	O
moody	O
,	O
artistic	O
presentation	O
,	O
named	O
for	O
its	O
supposed	O
ability	O
to	O
stimulate	O
the	O
different	O
emotional	O
centers	O
of	O
the	O
brain	O
with	O
its	O
use	O
of	O
color	O
and	O
music	O
.	O
</s>
<s>
It	O
was	O
developed	O
initially	O
for	O
the	O
Atari	B-Device
ST	I-Device
by	O
Christophe	O
de	O
Dinechin	O
,	O
and	O
later	O
ported	O
to	O
the	O
Amiga	B-Device
and	O
DOS	B-Device
.	O
</s>
<s>
The	O
DOS	B-Device
port	O
was	O
done	O
by	O
Frédérick	O
Raynal	O
,	O
a	O
notable	O
game	O
designer	O
who	O
would	O
go	O
on	O
to	O
develop	O
Alone	O
in	O
the	O
Dark	O
and	O
Little	B-Application
Big	I-Application
Adventure	I-Application
.	O
</s>
<s>
He	O
has	O
said	O
that	O
his	O
work	O
on	O
Alpha	B-Application
Waves	I-Application
was	O
a	O
major	O
inspiration	O
for	O
the	O
3D	O
engine	O
for	O
Alone	O
in	O
the	O
Dark	O
.	O
</s>
<s>
In	O
November	O
2012	O
,	O
Christophe	O
de	O
Dinechin	O
released	O
the	O
complete	O
assembly	B-Language
language	I-Language
and	O
GFA	B-Device
BASIC	I-Device
development	O
tools	O
source	O
code	O
for	O
the	O
Atari	B-Device
ST	I-Device
version	O
.	O
</s>
<s>
There	O
is	O
also	O
a	O
started	O
PC	O
port	O
in	O
C++	O
on	O
SourceForge	B-Application
by	O
the	O
original	O
author	O
.	O
</s>
<s>
Alpha	B-Application
Waves	I-Application
features	O
two	O
main	O
modes	O
of	O
play	O
:	O
Action	O
and	O
Emotion	O
.	O
</s>
<s>
Every	O
room	O
in	O
the	O
game	O
is	O
a	O
cube	B-Application
,	O
and	O
the	O
walls	O
contain	O
doorways	O
leading	O
to	O
other	O
rooms	O
.	O
</s>
<s>
Alpha	B-Application
Waves	I-Application
was	O
initially	O
released	O
on	O
the	O
Atari	B-Device
ST	I-Device
.	O
</s>
<s>
It	O
lacked	O
music	O
entirely	O
on	O
the	O
Atari	B-Device
520ST	I-Device
,	O
because	O
of	O
insufficient	O
memory	O
to	O
store	O
the	O
music	O
samples	O
.	O
</s>
<s>
On	O
Atari	O
1040ST	B-Device
and	O
later	O
models	O
,	O
the	O
theme	O
song	O
played	O
during	O
the	O
intro	O
.	O
</s>
<s>
The	O
music	O
was	O
stored	O
on	O
the	O
second	O
side	O
of	O
the	O
floppy	O
disk	O
,	O
since	O
any	O
Atari	B-Device
ST	I-Device
with	O
enough	O
memory	O
also	O
had	O
a	O
dual-sided	O
floppy	O
drive	O
.	O
</s>
<s>
The	O
Amiga	B-Device
port	O
was	O
second	O
and	O
added	O
a	O
theme	O
song	O
at	O
the	O
title	O
screen	O
.	O
</s>
<s>
The	O
DOS	B-Device
version	O
was	O
the	O
last	O
one	O
,	O
and	O
contains	O
a	O
number	O
of	O
improvements	O
.	O
</s>
<s>
This	O
version	O
supported	O
AdLib/SoundBlaster	O
sound	B-Device
cards	I-Device
.	O
</s>
<s>
The	O
DOS	B-Device
version	O
also	O
includes	O
a	O
two	O
player	O
Action	O
Mode	O
(	O
turn-based	O
as	O
opposed	O
to	O
the	O
split-screen	O
of	O
the	O
other	O
two	O
versions	O
)	O
.	O
</s>
<s>
The	O
DOS	B-Device
version	O
lacks	O
a	O
mechanism	O
to	O
regulate	O
speed	O
when	O
played	O
on	O
systems	O
faster	O
than	O
it	O
was	O
intended	O
for	O
(	O
essentially	O
causing	O
it	O
to	O
play	O
in	O
fast	O
forward	O
on	O
newer	O
hardware	O
)	O
.	O
</s>
<s>
However	O
,	O
when	O
played	O
on	O
a	O
properly	O
configured	O
system	O
or	O
emulator	B-Application
,	O
this	O
can	O
offer	O
the	O
highest	O
frame	O
rate	O
and	O
most	O
reactive	O
controls	O
,	O
for	O
solo	O
play	O
especially	O
.	O
</s>
<s>
Other	O
3D	O
games	O
of	O
the	O
same	O
era	O
include	O
various	O
ports	O
of	O
Elite	B-Application
(	O
1984-1991	O
)	O
,	O
Falcon	B-Application
(	O
1987	O
)	O
,	O
Driller	B-Application
(	O
1987	O
)	O
,	O
Starglider	B-Application
2	I-Application
(	O
1988	O
)	O
,	O
and	O
Hovertank	B-Application
3D	I-Application
(	O
1991	O
)	O
.	O
</s>
<s>
Alpha	B-Application
Waves	I-Application
ran	O
on	O
16-bit	O
microcomputers	O
that	O
did	O
not	O
have	O
hardware	O
floating-point	B-Algorithm
capabilities	O
.	O
</s>
<s>
A	O
lookup	B-Data_Structure
table	I-Data_Structure
contained	O
the	O
value	O
of	O
the	O
sine	O
multiplied	O
by	O
32767	O
.	O
</s>
<s>
Another	O
key	O
to	O
performance	O
was	O
a	O
highly	O
optimized	O
polygon-filling	O
routine	O
,	O
which	O
used	O
a	O
number	O
of	O
tricks	O
,	O
including	O
an	O
assembly	O
version	O
of	O
Duff	O
's	O
device	O
to	O
achieve	O
a	O
high	O
fill	O
rate	O
,	O
besting	O
the	O
in-house	O
self-modifying	B-Application
routine	O
Infogrames	O
was	O
using	O
at	O
the	O
time	O
.	O
</s>
<s>
The	O
Atari	B-Device
ST	I-Device
and	O
Amiga	B-Device
versions	O
were	O
written	O
in	O
assembly	B-Language
language	I-Language
.	O
</s>
<s>
The	O
DOS	B-Device
version	O
was	O
written	O
in	O
C	B-Language
.	O
</s>
<s>
Computer	O
Gaming	O
World	O
stated	O
that	O
the	O
game	O
"	O
plays	O
like	O
one	O
would	O
expect	O
a	O
Star	B-Application
Trek	I-Application
:	I-Application
The	I-Application
Next	I-Application
Generation	I-Application
"	O
holodeck	B-Algorithm
"	O
game	O
to	O
play	O
"	O
.	O
</s>
<s>
The	O
magazine	O
said	O
that	O
it	O
offered	O
"	O
some	O
fascinating	O
game	O
experiences	O
"	O
,	O
but	O
the	O
lack	O
of	O
combat	O
or	O
two-player	O
modem	B-Application
racing	I-Application
—	O
and	O
goals	O
so	O
uninteresting	O
that	O
they	O
"	O
actually	O
detract	O
from	O
the	O
game	O
"	O
—	O
caused	O
it	O
to	O
"	O
fall	O
short	O
in	O
the	O
most	O
important	O
department	O
of	O
lasting	O
entertainment	O
"	O
.	O
</s>
<s>
The	O
One	O
gave	O
the	O
DOS	B-Device
version	O
of	O
Alpha	B-Application
Waves	I-Application
an	O
overall	O
score	O
of	O
80%	O
,	O
calling	O
it	O
the	O
"	O
most	O
abstract	O
and	O
original	O
"	O
game	O
of	O
Infogrames	O
 '	O
Crystal	O
Collection	O
,	O
and	O
begins	O
their	O
review	O
by	O
noting	O
that	O
"	O
Alpha	B-Application
Waves	I-Application
 '	O
effect	O
is	O
so	O
dependent	O
on	O
colour	O
and	O
sound	O
that	O
you	O
really	O
do	O
need	O
a	O
fast	O
VGA	B-Protocol
machine	O
with	O
an	O
AdLib	O
sound	B-Device
card	I-Device
to	O
get	O
the	O
most	O
out	O
of	O
it	O
.	O
</s>
<s>
However	O
,	O
even	O
with	O
all	O
the	O
suitable	O
hardware	O
Alpha	B-Application
Waves	I-Application
does	O
n't	O
have	O
much	O
of	O
a	O
lasting	O
appeal.	O
"	O
</s>
<s>
After	O
a	O
few	O
weeks	O
play	O
the	O
only	O
state	O
of	O
mind	O
that	O
Alpha	B-Application
Waves	I-Application
will	O
induce	O
is	O
boredom.	O
"	O
</s>
<s>
In	O
regards	O
to	O
Alpha	B-Application
Waves	I-Application
proposed	O
psychological	O
aspect	O
,	O
The	O
One	O
states	O
that	O
"	O
Whether	O
the	O
light	O
and	O
sound	O
frequencies	O
actually	O
do	O
have	O
some	O
effect	O
is	O
difficult	O
to	O
tell	O
-	O
certainly	O
no-one	O
here	O
noticed	O
any	O
difference.	O
"	O
</s>
<s>
Despite	O
these	O
criticisms	O
,	O
The	O
One	O
praises	O
Alpha	B-Application
Waves	I-Application
as	O
"	O
very	O
original	O
"	O
,	O
and	O
also	O
praises	O
its	O
soundtrack	O
as	O
"	O
simple	O
but	O
effective	O
"	O
.	O
</s>
