<s>
is	O
a	O
2.5D	O
fighting	O
video	O
game	O
created	O
by	O
Konami	O
for	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
,	O
released	O
in	O
1998	O
.	O
</s>
<s>
The	O
name	O
Rakugakids	B-Application
is	O
a	O
portmanteau	O
of	O
the	O
Japanese	O
word	O
rakugaki	O
(	O
meaning	O
"	O
doodle	O
"	O
)	O
,	O
and	O
the	O
English	O
word	O
"	O
kids	O
"	O
,	O
a	O
reflection	O
of	O
the	O
visual	O
style	O
of	O
the	O
game	O
which	O
resembled	O
children	O
's	O
drawings	O
.	O
</s>
<s>
The	O
game	O
is	O
similar	O
in	O
play	O
to	O
a	O
toned-down	O
Street	B-Application
Fighter	I-Application
.	O
</s>
<s>
Its	O
art	O
style	O
was	O
frequently	O
compared	O
to	O
PaRappa	B-Application
the	I-Application
Rapper	I-Application
.	O
</s>
<s>
Lesser	O
reviews	O
from	O
magazines	O
like	O
Joypad	O
and	O
Player	O
One	O
claimed	O
there	O
was	O
nothing	O
interesting	O
in	O
the	O
gameplay	O
,	O
and	O
that	O
the	O
"	O
crazy	O
universe	O
"	O
,	O
combination	O
of	O
comic	O
elements	O
and	O
the	O
fighting	O
genre	O
,	O
and	O
the	O
art	O
style	O
's	O
similarities	O
to	O
PaRappa	B-Application
the	I-Application
Rapper	I-Application
were	O
its	O
only	O
appealing	O
aspects	O
.	O
</s>
<s>
Player	O
One	O
did	O
appreciate	O
the	O
incorporation	O
of	O
several	O
blows	O
that	O
took	O
advantage	O
of	O
all	O
of	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
controller	O
's	O
buttons	O
,	O
and	O
compared	O
the	O
character	O
animation	O
and	O
quality	O
to	O
that	O
of	O
a	O
title	O
produced	O
by	O
Nintendo	O
.	O
</s>
<s>
Ultimately	O
,	O
however	O
,	O
he	O
wrote	O
Rakugakids	B-Application
was	O
another	O
fighting	O
game	O
where	O
success	O
was	O
based	O
on	O
the	O
randomness	O
of	O
the	O
effectiveness	O
of	O
moves	O
.	O
</s>
<s>
Journalist	O
Steve	O
Merrett	O
cited	O
Konami	O
's	O
Nintendo	B-Operating_System
64	I-Operating_System
library	O
as	O
its	O
last	O
set	O
of	O
games	O
that	O
focused	O
on	O
gameplay	O
;	O
games	O
like	O
Rakugakids	B-Application
,	O
International	B-Application
Superstar	I-Application
Soccer	I-Application
98	I-Application
(	O
1998	O
)	O
,	O
Castlevania	B-Application
(	O
1999	O
)	O
,	O
used	O
the	O
Nintendo	B-Operating_System
64	I-Operating_System
's	O
processing	O
power	O
to	O
add	O
to	O
gameplay	O
tropes	O
previously	O
established	O
in	O
2D	O
gaming	O
.	O
</s>
<s>
For	O
Rakugakids	B-Application
,	O
2D	O
characters	O
fought	O
on	O
a	O
3D	O
background	O
.	O
</s>
<s>
Some	O
references	O
such	O
as	O
characters	O
and	O
music	O
from	O
Rakugakids	B-Application
were	O
later	O
added	O
to	O
other	O
video	O
games	O
by	O
Konami	O
.	O
</s>
<s>
In	O
Castlevania	B-Application
:	I-Application
Circle	I-Application
of	I-Application
the	I-Application
Moon	I-Application
,	O
protagonist	O
Nathan	O
Graves	O
can	O
transform	O
into	O
the	O
Beartank	O
character	O
by	O
equipping	O
the	O
Bear	O
Ring	O
and	O
activating	O
the	O
Black	O
Dog	O
and	O
Pluto	O
cards	O
(	O
which	O
normally	O
transforms	O
him	O
into	O
a	O
Skeleton	O
)	O
.	O
</s>
<s>
Beartank	O
,	O
Robot	O
CHO	O
,	O
Mamezo	O
,	O
Marsa	O
,	O
Cools	O
Roy	O
,	O
Captain	O
Cat	O
Kit	O
,	O
Darkness	O
,	O
and	O
Astronauts	O
makes	O
an	O
appearance	O
in	O
Goemon	B-Application
Mononoke	I-Application
Sugoroku	I-Application
.	O
</s>
<s>
Beartank	O
also	O
appears	O
as	O
a	O
secret	O
character	O
in	O
Konami	B-Application
Krazy	I-Application
Racers	I-Application
.	O
</s>
<s>
Music	O
from	O
the	O
game	O
also	O
appears	O
in	O
some	O
of	O
Konami	O
's	O
Bemani	O
games	O
,	O
namely	O
Beatmania	O
GB	O
and	O
Pop	B-Application
n	I-Application
 '	I-Application
Music	I-Application
.	O
</s>
