<s>
Worms	B-Application
Blast	I-Application
is	O
a	O
puzzle	O
video	O
game	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
PlayStation	B-Device
2	I-Device
,	O
GameCube	B-Application
,	O
Game	B-Device
Boy	I-Device
Advance	I-Device
and	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
released	O
in	O
2002	O
,	O
developed	O
by	O
Team17	O
,	O
and	O
published	O
by	O
Ubi	O
Soft	O
.	O
</s>
<s>
The	O
game	O
is	O
played	O
with	O
nine	O
characters	O
(	O
three	O
of	O
them	O
must	O
be	O
unlocked	O
)	O
and	O
most	O
of	O
the	O
characters	O
are	O
actually	O
animal	O
weapons	O
from	O
the	O
plegmant	O
Worms	B-Application
.	O
</s>
<s>
The	O
gameplay	O
is	O
similar	O
to	O
that	O
of	O
Puzzle	B-Application
Bobble/Bust	I-Application
-a-Move	I-Application
,	O
but	O
with	O
several	O
key	O
differences	O
.	O
</s>
<s>
Unlike	O
Puzzle	B-Application
Bobble	I-Application
,	O
it	O
is	O
able	O
to	O
move	O
side	O
to	O
side	O
.	O
</s>
<s>
As	O
with	O
Worms	B-Application
,	O
holding	O
down	O
the	O
fire	O
button	O
increases	O
the	O
power	O
behind	O
the	O
weapon	O
's	O
launch	O
,	O
affecting	O
how	O
far	O
it	O
will	O
travel	O
.	O
</s>
<s>
In	O
this	O
mode	O
,	O
the	O
player	O
travels	O
around	O
the	O
world	O
(	O
in	O
a	O
method	O
slightly	O
reminiscent	O
of	O
Capcom	O
game	O
Pang	B-Application
)	O
completing	O
puzzles	O
.	O
</s>
<s>
Again	O
,	O
differing	O
from	O
Puzzle	B-Application
Bobble	I-Application
,	O
missions	O
are	O
usually	O
more	O
complex	O
than	O
simply	O
clearing	O
the	O
blocks	O
off	O
the	O
screen	O
.	O
</s>
<s>
Some	O
may	O
require	O
the	O
player	O
to	O
perform	O
certain	O
tasks	O
(	O
such	O
as	O
shooting	O
down	O
space	O
ships	O
made	O
of	O
blocks	O
,	O
or	O
avoiding	O
a	O
snake-like	O
series	O
of	O
blocks	O
moving	O
around	O
the	O
screen	O
)	O
.	O
</s>
<s>
Unlike	O
Puzzle	B-Application
Bobble	I-Application
,	O
there	O
are	O
no	O
walls	O
in	O
single-player	O
mode	O
.	O
</s>
<s>
BLAST	O
mode	O
was	O
not	O
included	O
on	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
version	O
of	O
the	O
game	O
.	O
</s>
<s>
Critics	O
from	O
Nintendo	B-Application
Power	I-Application
dismissed	O
Worms	B-Application
Blast	I-Application
as	O
overly-difficult	O
to	O
the	O
point	O
of	O
being	O
unenjoyable	O
;	O
they	O
claimed	O
being	O
a	O
millimeter	O
off	O
on	O
a	O
shot	O
could	O
result	O
in	O
the	O
player	O
having	O
to	O
start	O
over	O
,	O
and	O
that	O
the	O
better	O
stages	O
were	O
later	O
in	O
the	O
game	O
and	O
thus	O
required	O
lots	O
of	O
practice	O
overwhelming	O
to	O
novice	O
players	O
just	O
to	O
get	O
to	O
them	O
.	O
</s>
