<s>
Bubble	B-Application
Bobble	I-Application
Double	I-Application
Shot	I-Application
is	O
a	O
platform	O
action	B-Application
game	I-Application
for	O
the	O
Nintendo	B-Device
DS	I-Device
,	O
part	O
of	O
the	O
Bubble	B-Application
Bobble	I-Application
series	O
.	O
</s>
<s>
The	O
gameplay	O
uses	O
similar	O
mechanics	O
to	O
the	O
original	O
Bubble	B-Application
Bobble	I-Application
game	O
-	O
the	O
standard	O
way	O
to	O
kill	O
enemies	O
is	O
as	O
usual	O
:	O
blowing	O
a	O
bubble	O
to	O
trap	O
them	O
and	O
then	O
popping	O
the	O
bubble	O
before	O
they	O
can	O
escape	O
.	O
</s>
<s>
Each	O
stage	O
is	O
laid	O
out	O
over	O
the	O
Nintendo	B-Device
DS	I-Device
's	O
dual	O
screens	O
,	O
so	O
there	O
is	O
no	O
scrolling	O
.	O
</s>
<s>
The	O
game	O
also	O
supports	O
co-operative	O
multiplayer	O
for	O
multiple	O
DS	B-Device
cards	O
,	O
for	O
up	O
to	O
three	O
players	O
.	O
</s>
<s>
The	O
game	O
received	O
"	O
mixed	O
"	O
reviews	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
