<s>
is	O
a	O
series	O
of	O
Japanese	O
word	B-Application
puzzle	I-Application
video	O
games	O
developed	O
and	O
published	O
by	O
Bandai	O
Namco	O
Entertainment	O
,	O
formerly	O
Namco	O
.	O
</s>
<s>
The	O
series	O
began	O
in	O
arcades	O
with	O
Kotoba	B-Device
no	I-Device
Puzzle	I-Device
:	I-Device
Mojipittan	I-Device
in	O
2001	O
,	O
and	O
has	O
seen	O
multiple	O
sequels	O
for	O
several	O
platforms	O
,	O
including	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
,	O
PlayStation	B-Operating_System
Portable	I-Operating_System
and	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
Gameplay	O
is	O
similar	O
to	O
Scrabble	B-Application
—	O
players	O
are	O
tasked	O
with	O
using	O
Hiragana	O
to	O
form	O
words	O
on	O
a	O
board	O
by	O
placing	O
down	O
pieces	O
marked	O
with	O
Hiragana	O
characters	O
.	O
</s>
<s>
The	O
original	O
Kotoba	B-Device
no	I-Device
Puzzle	I-Device
was	O
designed	O
by	O
Hiroyuki	O
Goto	O
,	O
who	O
is	O
well	O
known	O
in	O
Japan	O
for	O
being	O
able	O
to	O
recite	O
pi	O
from	O
memory	O
to	O
42,195	O
decimal	O
places	O
,	O
making	O
him	O
the	O
world	O
record	O
holder	O
at	O
the	O
time	O
.	O
</s>
<s>
The	O
Kotoba	B-Device
no	I-Device
Puzzle	I-Device
series	O
was	O
met	O
with	O
positive	O
reviews	O
from	O
critics	O
,	O
being	O
praised	O
for	O
its	O
originality	O
,	O
multiplayer	O
and	O
addictive	O
gameplay	O
,	O
with	O
Kotoba	B-Device
no	I-Device
Puzzle	I-Device
:	I-Device
Mojipittan	I-Device
DS	I-Device
receiving	O
the	O
"	O
Gold	O
Hall	O
of	O
Fame	O
"	O
award	O
from	O
Famitsu	O
.	O
</s>
<s>
Mojipittan	B-Device
is	O
similar	O
in	O
play	O
to	O
the	O
word	O
game	O
Scrabble	B-Application
.	O
</s>
<s>
Unlike	O
Scrabble	B-Application
,	O
however	O
,	O
each	O
player	O
may	O
place	O
only	O
one	O
tile	O
per	O
turn	O
as	O
opposed	O
to	O
multiple	O
tiles	O
in	O
the	O
former	O
.	O
</s>
<s>
A	O
major	O
difference	O
in	O
how	O
the	O
game	O
plays	O
in	O
contrast	O
with	O
Scrabble	B-Application
is	O
that	O
words	O
do	O
not	O
need	O
to	O
be	O
isolated	O
.	O
</s>
<s>
On	O
release	O
,	O
Famitsu	O
scored	O
Mojipittan	B-Device
DS	B-Device
a	O
33	O
out	O
of	O
40	O
(	O
9/8/8/8	O
)	O
.	O
</s>
