<s>
is	O
a	O
tower	B-Application
defense	I-Application
game	I-Application
developed	O
and	O
published	O
by	O
ArtePiazza	O
in	O
Japan	O
on	O
November	O
24	O
,	O
2010	O
for	O
the	O
Nintendo	B-Device
DSi	I-Device
.	O
</s>
