<s>
Frequency	O
is	O
a	O
music	B-Application
video	I-Application
game	I-Application
developed	O
by	O
Harmonix	O
and	O
published	O
by	O
SCEA	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Amplitude	B-Application
,	O
was	O
released	O
in	O
2003	O
.	O
</s>
<s>
As	O
the	O
player	O
hits	O
buttons	O
corresponding	O
to	O
the	O
note	O
placement	O
on	O
the	O
track	O
,	O
the	O
"	O
sonic	O
energy	O
"	O
from	O
within	O
is	O
released	O
and	O
the	O
music	B-Application
plays	O
.	O
</s>
<s>
If	O
the	O
player	O
plays	O
two	O
measures	O
of	O
the	O
track	O
without	O
any	O
errors	O
,	O
the	O
track	O
is	O
"	O
captured	O
"	O
and	O
the	O
music	B-Application
plays	O
automatically	O
until	O
the	O
next	O
pre-determined	O
section	O
of	O
the	O
song	O
.	O
</s>
<s>
These	O
arenas	O
,	O
as	O
well	O
as	O
the	O
tracks	O
and	O
notes	O
,	O
take	O
on	O
the	O
appearance	O
of	O
Tron-style	O
graphics	O
,	O
including	O
limited	O
video	O
screens	O
that	O
would	O
show	O
the	O
player	O
's	O
FreQ	O
if	O
the	O
player	O
was	O
doing	O
well	O
,	O
or	O
static	O
if	O
the	O
player	O
was	O
about	O
to	O
run	O
out	O
of	O
power	O
.	O
</s>
<s>
Frequency	O
was	O
one	O
of	O
the	O
first	O
games	O
to	O
be	O
supported	O
by	O
the	O
PS2	B-Device
Network	O
Adapter	O
,	O
allowing	O
for	O
up	O
to	O
four	O
players	O
to	O
play	O
against	O
each	O
other	O
as	O
well	O
as	O
to	O
trade	O
their	O
remixes	O
.	O
</s>
<s>
Several	O
of	O
the	O
artist	O
featured	O
in	O
the	O
game	O
would	O
contribute	O
to	O
its	O
sequel	O
Amplitude	B-Application
.	O
</s>
<s>
Harmonix	O
had	O
originally	O
pitched	O
the	O
concept	O
of	O
Frequency	O
to	O
Microsoft	O
but	O
were	O
told	O
by	O
now-former	O
vice-president	O
of	O
game	O
publishing	O
Ed	O
Fries	O
that	O
no	O
music-rhythm	O
game	O
would	O
succeed	O
without	O
a	O
custom	O
hardware	O
controller	O
.	O
</s>
<s>
This	O
advice	O
indirectly	O
led	O
Harmonix	O
to	O
become	O
involved	O
with	O
Guitar	B-Application
Hero	I-Application
with	O
a	O
custom	O
guitar-shaped	O
controller	O
,	O
and	O
leading	O
to	O
a	O
multi-billion	O
dollar	O
franchise	O
.	O
</s>
<s>
Peter	O
Suclu	O
reviewed	O
the	O
PlayStation	B-Device
2	I-Device
version	O
of	O
the	O
game	O
for	O
Next	O
Generation	O
,	O
rating	O
it	O
four	O
stars	O
out	O
of	O
five	O
,	O
and	O
stated	O
that	O
"	O
America	O
's	O
first	O
homegrown	O
rhythm	O
action	O
game	O
is	O
a	O
lot	O
of	O
fun	O
"	O
.	O
</s>
<s>
The	O
game	O
received	O
"	O
favorable	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
<s>
Frequency	O
won	O
GameSpots	O
annual	O
"	O
Best	O
Music/Rhythm	O
Game	O
"	O
award	O
among	O
console	B-Application
games	I-Application
,	O
and	O
was	O
a	O
runner-up	O
for	O
the	O
publication	O
's	O
"	O
Best	O
Music	B-Application
"	O
and	O
"	O
Most	O
Innovative	O
"	O
prizes	O
.	O
</s>
