<s>
is	O
a	O
1982	O
maze	B-Application
game	I-Application
developed	O
by	O
Universal	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
arcade	B-Application
video	I-Application
game	I-Application
to	O
be	O
released	O
as	O
a	O
conversion	O
kit	O
for	O
other	O
arcade	B-Application
machines	O
;	O
Taito	O
published	O
the	O
conversion	O
kit	O
in	O
Japan	O
.	O
</s>
<s>
The	O
game	O
was	O
inspired	O
by	O
Namco	O
's	O
Dig	B-Application
Dug	I-Application
released	O
earlier	O
in	O
1982	O
.	O
</s>
<s>
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
was	O
a	O
commercial	O
success	O
in	O
Japan	O
and	O
North	O
America	O
,	O
selling	O
30,000	O
arcade	B-Application
units	O
in	O
the	O
US	O
,	O
and	O
it	O
was	O
followed	O
by	O
several	O
arcade	B-Application
sequels	O
.	O
</s>
<s>
The	O
object	O
of	O
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
The	O
title	O
character	O
,	O
Mr.	B-Application
Do	I-Application
(	O
a	O
circus	O
clown	O
—	O
except	O
for	O
the	O
original	O
Japanese	O
version	O
of	O
the	O
game	O
,	O
in	O
which	O
he	O
is	O
a	O
snowman	O
)	O
,	O
is	O
constantly	O
chased	O
by	O
red	O
dinosaur-like	O
monsters	O
called	O
creeps	O
,	O
and	O
the	O
player	O
loses	O
a	O
life	O
if	O
Mr.	B-Application
Do	I-Application
is	O
caught	O
by	O
one	O
.	O
</s>
<s>
Mr.	B-Application
Do	I-Application
can	O
defeat	O
creeps	O
by	O
hitting	O
them	O
with	O
his	O
bouncing	O
"	O
power	O
ball	O
"	O
or	O
by	O
dropping	O
large	O
apples	O
on	O
them	O
.	O
</s>
<s>
While	O
the	O
power	O
ball	O
is	O
bouncing	O
toward	O
a	O
creep	O
,	O
Mr.	B-Application
Do	I-Application
is	O
defenseless	O
.	O
</s>
<s>
If	O
the	O
ball	O
bounces	O
into	O
an	O
area	O
where	O
there	O
are	O
no	O
creeps	O
to	O
hit	O
(	O
such	O
as	O
behind	O
a	O
fallen	O
apple	O
)	O
,	O
Mr.	B-Application
Do	I-Application
cannot	O
use	O
it	O
again	O
until	O
he	O
has	O
retrieved	O
it	O
.	O
</s>
<s>
When	O
the	O
power	O
ball	O
hits	O
a	O
creep	O
,	O
it	O
then	O
reforms	O
in	O
Mr.	B-Application
Do	I-Application
's	O
hands	O
after	O
a	O
delay	O
that	O
increases	O
with	O
each	O
use	O
.	O
</s>
<s>
Mr.	B-Application
Do	I-Application
or	O
the	O
creeps	O
can	O
push	O
an	O
apple	O
off	O
the	O
edge	O
of	O
a	O
vertical	O
tunnel	O
and	O
crush	O
one	O
or	O
more	O
creeps	O
.	O
</s>
<s>
Mr.	B-Application
Do	I-Application
can	O
also	O
be	O
crushed	O
by	O
a	O
falling	O
apple	O
,	O
causing	O
a	O
loss	O
of	O
life	O
.	O
</s>
<s>
If	O
one	O
of	O
these	O
digs	O
through	O
a	O
cherry	O
,	O
it	O
leaves	O
fewer	O
cherries	O
for	O
Mr.	B-Application
Do	I-Application
to	O
collect	O
.	O
</s>
<s>
When	O
it	O
digs	O
under	O
an	O
apple	O
,	O
it	O
often	O
crushes	O
itself	O
,	O
other	O
creeps	O
,	O
and/or	O
Mr.	B-Application
Do	I-Application
.	O
</s>
<s>
Defeating	O
the	O
Alphamonster	O
awards	O
its	O
letter	O
;	O
collecting	O
all	O
five	O
letters	O
ends	O
the	O
level	O
,	O
plays	O
a	O
cut	O
scene	O
accompanied	O
by	O
the	O
theme	O
to	O
Astro	B-Application
Boy	I-Application
,	O
and	O
awards	O
the	O
player	O
an	O
extra	O
life	O
.	O
</s>
<s>
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
It	O
was	O
inspired	O
by	O
the	O
gameplay	O
in	O
Namco	O
's	O
Dig	B-Application
Dug	I-Application
game	O
,	O
similar	O
to	O
how	O
many	O
of	O
Universal	O
's	O
other	O
games	O
took	O
license	O
from	O
other	O
companies	O
 '	O
more	O
successful	O
games	O
,	O
e.g.	O
</s>
<s>
Lady	O
Bug	O
(	O
also	O
designed	O
by	O
Ueda	O
)	O
being	O
similar	O
to	O
Pac-Man	B-Application
.	O
</s>
<s>
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
was	O
ported	O
to	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
,	O
Atari	B-Device
8-bit	I-Device
family	I-Device
,	O
ColecoVision	B-Device
,	O
Apple	B-Device
II	I-Device
,	O
MSX	B-Operating_System
,	O
Neo	B-Application
Geo	I-Application
,	O
Tomy	O
Tutor	O
,	O
and	O
Commodore	O
64	O
.	O
</s>
<s>
A	O
handheld	O
LCD	B-Device
version	O
was	O
released	O
by	O
Tomy	O
in	O
1983	O
.	O
</s>
<s>
In	O
the	O
ColecoVision	B-Device
adaptation	O
,	O
the	O
Alphamonster	O
and	O
sidekicks	O
are	O
unable	O
to	O
eat	O
apples	O
,	O
making	O
them	O
easier	O
to	O
crush	O
,	O
but	O
the	O
blue	O
monsters	O
eat	O
the	O
shrubbery	O
and	O
cherries	O
.	O
</s>
<s>
The	O
Apple	B-Device
II	I-Device
and	O
Atari	B-Device
8-bit	I-Device
computer	I-Device
versions	O
were	O
released	O
in	O
May	O
1985	O
.	O
</s>
<s>
In	O
Japan	O
,	O
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
was	O
one	O
of	O
the	O
top	O
ten	O
highest-grossing	O
arcade	B-Application
games	I-Application
of	I-Application
1982	I-Application
,	O
on	O
the	O
annual	O
Game	O
Machine	O
chart	O
.	O
</s>
<s>
Game	O
Machine	O
later	O
listed	O
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
on	O
their	O
June	O
15	O
,	O
1983	O
issue	O
as	O
being	O
the	O
21st	O
highest-earning	O
table	O
arcade	B-Application
cabinet	O
of	O
the	O
month	O
.	O
</s>
<s>
The	O
arcade	B-Application
game	O
was	O
also	O
a	O
commercial	O
success	O
in	O
North	O
America	O
,	O
where	O
it	O
became	O
the	O
best-selling	O
conversion	O
kit	O
up	O
until	O
1984	O
,	O
selling	O
approximately	O
30,000	O
arcade	B-Application
units	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
On	O
the	O
Play	O
Meter	O
arcade	B-Application
charts	O
,	O
it	O
topped	O
the	O
street	O
locations	O
chart	O
in	O
May	O
1983	O
.	O
</s>
<s>
On	O
the	O
RePlay	O
arcade	B-Application
charts	O
,	O
it	O
topped	O
the	O
software	O
conversion	O
kit	O
charts	O
for	O
five	O
months	O
in	O
1983	O
,	O
in	O
June	O
and	O
then	O
from	O
August	O
through	O
November	O
.	O
</s>
<s>
It	O
was	O
among	O
the	O
thirteen	O
highest-earning	O
arcade	B-Application
games	I-Application
of	I-Application
1983	I-Application
in	O
the	O
United	O
States	O
,	O
according	O
to	O
the	O
Amusement	O
&	O
Music	O
Operators	O
Association	O
(	O
AMOA	O
)	O
.	O
</s>
<s>
Computer	O
and	O
Video	O
Games	O
magazine	O
gave	O
the	O
arcade	B-Application
original	O
a	O
positive	O
review	O
,	O
stating	O
that	O
it	O
"	O
takes	O
the	O
best	O
from	O
"	O
Dig	B-Application
Dug	I-Application
"	O
and	O
improves	O
on	O
it.	O
"	O
</s>
<s>
Computer	O
and	O
Video	O
Games	O
later	O
rated	O
the	O
ColecoVision	B-Device
version	O
81%	O
and	O
Atari	B-Application
VCS	I-Application
version	O
77%	O
in	O
1989	O
.	O
</s>
<s>
Computer	O
Games	O
magazine	O
gave	O
the	O
ColecoVision	B-Device
and	O
Coleco	B-Device
Adam	I-Device
conversions	O
a	O
B+	O
rating	O
in	O
1985	O
.	O
</s>
<s>
Famicom	O
Tsūshin	O
awarded	O
the	O
Super	B-Application
Famicom	I-Application
version	O
of	O
the	O
game	O
25	O
out	O
of	O
40	O
.	O
</s>
<s>
All	O
but	O
Dan	O
Hsu	O
felt	O
that	O
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
has	O
fun	O
gameplay	O
,	O
but	O
they	O
criticized	O
the	O
lack	O
of	O
enhancements	O
to	O
what	O
was	O
by	O
then	O
over	O
a	O
decade	O
old	O
game	O
,	O
and	O
recommended	O
that	O
players	O
only	O
get	O
it	O
if	O
it	O
were	O
released	O
at	O
significantly	O
less	O
than	O
the	O
normal	O
retail	O
price	O
for	O
an	O
SNES	B-Application
cartridge	O
.	O
</s>
<s>
In	O
1995	O
,	O
Flux	O
magazine	O
ranked	O
the	O
arcade	B-Application
version	O
67th	O
on	O
their	O
"	O
Top	O
100	O
Video	O
Games.	O
"	O
</s>
<s>
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
was	O
followed	O
by	O
three	O
sequels	O
:	O
Mr.	B-Application
Do	I-Application
's	I-Application
Castle	I-Application
in	O
1983	O
,	O
Mr.	B-Application
Do	I-Application
's	I-Application
Wild	I-Application
Ride	I-Application
,	O
and	O
Do	O
!	O
</s>
<s>
An	O
expanded	O
99-level	O
version	O
of	O
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
Do	O
!,	O
was	O
developed	O
by	O
Visco	O
and	O
licensed	O
by	O
Universal	O
for	O
SNK	O
's	O
Neo	B-Application
Geo	I-Application
system	O
in	O
1997	O
.	O
</s>
<s>
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
was	O
adapted	O
to	O
Nintendo	O
's	O
Game	B-Device
Boy	I-Device
and	O
Super	B-Application
NES	I-Application
with	O
some	O
new	O
gameplay	O
features	O
.	O
</s>
<s>
A	O
rebranded	O
adaptation	O
of	O
the	O
game	O
was	O
released	O
for	O
the	O
Game	B-Device
Boy	I-Device
Color	I-Device
in	O
1999	O
as	O
Quest	O
:	O
Fantasy	O
Challenge	O
(	O
Holy	O
Magic	O
Century	O
in	O
Europe	O
)	O
.	O
</s>
<s>
The	O
arcade	B-Application
version	O
was	O
released	O
for	O
the	B-Operating_System
Wii	I-Operating_System
Virtual	B-Application
Console	I-Application
in	O
Japan	O
on	O
April	O
27	O
,	O
2010	O
.	O
</s>
<s>
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
is	O
credited	O
as	O
the	O
first	O
arcade	B-Application
game	O
to	O
be	O
released	O
as	O
a	O
conversion	O
kit	O
.	O
</s>
<s>
Multiple	O
clones	O
of	O
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
were	O
released	O
for	O
home	O
systems	O
,	O
including	O
Magic	B-Device
Meanies	I-Device
(	O
ZX	O
Spectrum	O
)	O
,	O
Henri	O
(	O
Atari	B-Device
8-bit	I-Device
)	O
,	O
Fruity	B-Application
Frank	I-Application
(	O
Amstrad	O
CPC	O
,	O
MSX	B-Operating_System
)	O
,	O
Mr.	O
</s>
<s>
Dig	O
(	O
TRS-80	O
Color	O
Computer	O
,	O
Atari	B-Device
8-bit	I-Device
)	O
.	O
</s>
<s>
The	O
game	O
's	O
creator	O
Kazutoshi	O
Ueda	O
went	O
on	O
to	O
work	O
at	O
Tehkan	O
(	O
now	O
Tecmo	O
)	O
and	O
then	O
became	O
a	O
co-founder	O
of	O
Atlus	O
,	O
where	O
he	O
worked	O
on	O
the	O
Megami	B-Application
Tensei	I-Application
series	O
.	O
</s>
<s>
Do	O
!,	O
inspired	O
the	O
game	O
design	O
style	O
of	O
Tehkan	O
's	O
Michitaka	O
Tsuruta	O
,	O
who	O
went	O
on	O
to	O
create	O
Guzzler	B-Application
(	O
1983	O
)	O
,	O
Bomb	B-Application
Jack	I-Application
(	O
1984	O
)	O
,	O
Solomon	B-Application
's	I-Application
Key	I-Application
(	O
1986	O
)	O
,	O
and	O
the	O
Captain	B-Application
Tsubasa	I-Application
game	O
series	O
.	O
</s>
