<s>
is	O
a	O
downloadable	O
puzzle	O
video	O
game	O
created	O
by	O
Namco	O
Bandai	O
and	O
released	O
in	O
2008	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
.	O
</s>
<s>
It	O
is	O
the	O
fourth	O
game	O
in	O
the	O
Mr.	B-Application
Driller	I-Application
series	O
of	O
puzzle	O
games	O
and	O
re-uses	O
many	O
assets	O
from	O
Mr.	B-Device
Driller	I-Device
Drill	I-Device
Land	I-Device
.	O
</s>
<s>
The	O
objective	O
of	O
Mr.	B-Application
Driller	I-Application
Online	I-Application
is	O
to	O
drill	O
to	O
the	O
bottom	O
of	O
a	O
long	O
,	O
vertical	O
pit	O
filled	O
with	O
blocks	O
of	O
varying	O
colors	O
.	O
</s>
<s>
Mr.	B-Application
Driller	I-Application
Online	I-Application
features	O
two	O
single-player	O
modes	O
,	O
Arcade	O
and	O
Challenge	O
.	O
</s>
<s>
Additionally	O
,	O
the	O
game	O
supports	O
online	O
multiplayer	O
via	O
Xbox	B-Application
Live	I-Application
,	O
allowing	O
ranked	O
and	O
unranked	O
matches	O
of	O
two	O
types	O
:	O
Versus	O
mode	O
,	O
in	O
which	O
two	O
players	O
compete	O
for	O
the	O
highest	O
score	O
within	O
a	O
set	O
time	O
limit	O
,	O
and	O
Tag	O
Team	O
mode	O
,	O
where	O
four	O
players	O
split	O
into	O
two	O
teams	O
.	O
</s>
<s>
Mr.	B-Application
Driller	I-Application
Online	I-Application
also	O
supports	O
online	O
leaderboards	O
,	O
but	O
does	O
not	O
support	O
local	O
split-screen	O
multiplayer	O
.	O
</s>
<s>
Mr.	B-Application
Driller	I-Application
Online	I-Application
was	O
included	O
as	O
one	O
of	O
the	O
games	O
in	O
Namco	O
Museum	O
Virtual	O
Arcade	O
,	O
but	O
unlike	O
the	O
majority	O
of	O
the	O
games	O
on	O
the	O
compilation	O
,	O
it	O
's	O
not	O
actually	O
accessible	O
from	O
the	O
disc	O
itself	O
.	O
</s>
<s>
Instead	O
,	O
it	O
is	O
added	O
to	O
the	O
user	O
's	O
Xbox	B-Application
Live	I-Application
Arcade	O
menu	O
,	O
but	O
is	O
removed	O
once	O
the	O
disk	O
is	O
removed	O
from	O
the	O
system	O
.	O
</s>
<s>
Mr.	B-Application
Driller	I-Application
Online	I-Application
received	O
negative	O
reviews	O
from	O
critics	O
due	O
to	O
the	O
game	O
's	O
"	O
broken	O
"	O
and	O
laggy	B-Application
online	O
mode	O
,	O
lack	O
of	O
local	O
multiplayer	O
,	O
and	O
fuzzy	O
character	O
sprites	O
.	O
</s>
<s>
GameSpot	O
reviewer	O
Don	O
Francis	O
wrote	O
:	O
"	O
With	O
a	O
shallow	O
single-player	O
campaign	O
and	O
a	O
broken	O
online	O
mode	O
,	O
Mr.	B-Application
Driller	I-Application
Online	I-Application
leaves	O
little	O
to	O
recommend	O
"	O
.	O
</s>
<s>
IGN	O
's	O
Ryan	O
Geddes	O
said	O
:	O
"	O
The	O
last	O
time	O
I	O
tested	O
the	O
online	O
multiplayer	O
,	O
it	O
froze	O
my	O
Xbox	B-Operating_System
360	I-Operating_System
completely	O
,	O
forcing	O
me	O
to	O
shut	O
the	O
system	O
off	O
and	O
restart	O
.	O
</s>
<s>
GameSpot	O
nominated	O
Mr.	B-Application
Driller	I-Application
Online	I-Application
for	O
the	O
dubious	O
award	O
of	O
Flat-Out	O
Worst	O
Game	O
in	O
its	O
2008	O
video	O
game	O
awards	O
.	O
</s>
