<s>
Mega	B-Application
Man	I-Application
IV	I-Application
is	O
an	O
action-platform	O
video	O
game	O
by	O
Capcom	O
for	O
the	O
Nintendo	B-Device
Game	I-Device
Boy	I-Device
.	O
</s>
<s>
It	O
is	O
the	O
fourth	O
installment	O
in	O
the	O
handheld	B-Application
version	O
of	O
the	O
Mega	O
Man	O
series	O
.	O
</s>
<s>
Mega	B-Application
Man	I-Application
IV	I-Application
features	O
the	O
traditional	O
action	B-Application
platforming	O
gameplay	O
of	O
the	O
prior	O
games	O
while	O
introducing	O
one	O
new	O
feature	O
,	O
the	O
ability	O
to	O
purchase	O
items	O
with	O
power-ups	O
found	O
throughout	O
each	O
stage	O
.	O
</s>
<s>
As	O
with	O
previous	O
Game	B-Device
Boy	I-Device
releases	O
,	O
the	O
game	O
incorporates	O
gameplay	O
elements	O
and	O
bosses	O
from	O
two	O
sequential	O
Nintendo	O
Entertainment	O
System	O
(	O
NES	O
)	O
games	O
:	O
Mega	B-Application
Man	I-Application
4	I-Application
and	O
Mega	B-Application
Man	I-Application
5	I-Application
.	O
</s>
<s>
In	O
2013	O
,	O
Mega	B-Application
Man	I-Application
IV	I-Application
was	O
made	O
available	O
on	O
the	O
Virtual	B-Application
Console	I-Application
of	O
Japan	O
's	O
Nintendo	B-Application
eShop	I-Application
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
.	O
</s>
<s>
It	O
was	O
later	O
released	O
in	O
the	O
North	O
American	O
and	O
PAL	O
region	O
eShops	B-Application
the	O
following	O
year	O
.	O
</s>
<s>
At	O
its	O
core	O
,	O
the	O
gameplay	O
is	O
still	O
the	O
same	O
as	O
the	O
previous	O
3	O
Mega	O
Man	O
Game	B-Device
Boy	I-Device
games	O
.	O
</s>
<s>
The	O
player	O
takes	O
on	O
the	O
role	O
of	O
Mega	O
Man	O
as	O
he	O
traverses	O
a	O
series	O
of	O
two	O
sets	O
of	O
selectable	O
action/platforming	O
stages	O
in	O
any	O
order	O
desired	O
.	O
</s>
<s>
Mega	B-Application
Man	I-Application
IV	I-Application
carries	O
on	O
the	O
Game	B-Device
Boy	I-Device
line	I-Device
's	O
tradition	O
of	O
recycling	O
elements	O
from	O
two	O
consecutive	O
Mega	O
Man	O
NES	O
releases	O
,	O
most	O
prominently	O
with	O
its	O
bosses	O
.	O
</s>
<s>
The	O
first	O
four	O
Robot	O
Masters	O
(	O
Toad	O
Man	O
,	O
Bright	O
Man	O
,	O
Pharaoh	O
Man	O
,	O
and	O
Ring	O
Man	O
)	O
are	O
originally	O
from	O
Mega	B-Application
Man	I-Application
4	I-Application
and	O
the	O
latter	O
four	O
(	O
Crystal	O
Man	O
,	O
Napalm	O
Man	O
,	O
Stone	O
Man	O
,	O
and	O
Charge	O
Man	O
)	O
are	O
from	O
Mega	B-Application
Man	I-Application
5	I-Application
.	O
</s>
<s>
Mega	B-Application
Man	I-Application
IV	I-Application
also	O
introduces	O
a	O
shop	O
feature	O
to	O
the	O
series	O
.	O
</s>
<s>
One	O
such	O
item	O
is	O
the	O
newly	O
introduced	O
"	O
Auto	O
Charger	O
"	O
(	O
or	O
"	O
Energy	O
Balancer	O
"	O
,	O
which	O
was	O
originally	O
conceived	O
for	O
Mega	B-Application
Man	I-Application
5	I-Application
but	O
removed	O
)	O
,	O
which	O
automatically	O
takes	O
weapon	O
energy	O
capsules	O
and	O
restores	O
it	O
in	O
the	O
weapon	O
with	O
the	O
least	O
amount	O
of	O
energy	O
left	O
,	O
provided	O
that	O
there	O
is	O
no	O
refillable	O
special	O
weapon	O
selected	O
.	O
</s>
<s>
Also	O
,	O
for	O
the	O
first	O
time	O
in	O
the	O
Mega	O
Man	O
Game	B-Device
Boy	I-Device
series	O
,	O
the	O
Robot	O
Master	O
re-match	O
sequence	O
(	O
where	O
Mega	O
Man	O
must	O
fight	O
all	O
8	O
Robot	O
Masters	O
again	O
in	O
a	O
teleportation	O
hatch	O
in	O
Dr.	O
Wily	O
's	O
castle	O
)	O
is	O
implemented	O
,	O
as	O
opposed	O
to	O
the	O
previous	O
three	O
Mega	O
Man	O
Game	B-Device
Boy	I-Device
titles	O
,	O
where	O
Mega	O
Man	O
fought	O
Wily	O
straight	O
on	O
after	O
going	O
through	O
the	O
castle	O
.	O
</s>
<s>
Using	O
features	O
from	O
two	O
previous	O
NES	O
titles	O
,	O
as	O
well	O
as	O
some	O
new	O
elements	O
,	O
series	O
artist	O
Keiji	O
Inafune	O
was	O
happy	O
with	O
the	O
flow	O
from	O
Mega	O
Man	O
III	O
to	O
Mega	B-Application
Man	I-Application
IV	I-Application
.	O
</s>
<s>
Mega	B-Application
Man	I-Application
IV	I-Application
has	O
been	O
well-received	O
critically	O
.	O
</s>
<s>
Major	O
gaming	O
magazines	O
Nintendo	B-Application
Power	I-Application
and	O
Game	B-Device
Players	I-Device
have	O
called	O
the	O
graphics	O
and	O
gameplay	O
"	O
exceptional	O
"	O
and	O
"	O
terrific	O
"	O
,	O
although	O
the	O
former	O
was	O
disappointed	O
by	O
its	O
few	O
surprises	O
.	O
</s>
<s>
Electronic	O
Gaming	O
Monthly	O
described	O
Mega	B-Application
Man	I-Application
IV	I-Application
as	O
one	O
of	O
the	O
best	O
Game	B-Device
Boy	I-Device
games	O
to	O
date	O
,	O
due	O
to	O
its	O
near	O
flawless	O
recreation	O
of	O
the	O
action	B-Application
and	O
technique	O
of	O
the	O
home	O
console	O
games	O
and	O
graphics	O
which	O
push	O
the	O
Game	B-Device
Boy	I-Device
hardware	O
"	O
to	O
its	O
limits	O
and	O
then	O
some	O
"	O
(	O
though	O
they	O
did	O
complain	O
of	O
screen	O
blurring	O
)	O
.	O
</s>
<s>
Mega	B-Application
Man	I-Application
IV	I-Application
was	O
re-released	O
on	O
April	O
13	O
,	O
2001	O
for	O
the	O
Nintendo	B-Application
Power	I-Application
cartridge	O
service	O
in	O
Japan	O
alongside	O
its	O
four	O
Game	B-Device
Boy	I-Device
counterparts	O
.	O
</s>
<s>
The	O
5	O
games	O
that	O
comprise	O
this	O
subseries	O
were	O
to	O
be	O
released	O
on	O
a	O
Game	B-Device
Boy	I-Device
Advance	I-Device
compilation	O
in	O
2004	O
,	O
but	O
was	O
cancelled	O
.	O
</s>
<s>
The	O
boss	O
Ballade	O
would	O
later	O
appear	O
as	O
part	O
of	O
a	O
downloadable	B-Protocol
content	I-Protocol
stage	O
for	O
Mega	B-Application
Man	I-Application
10	I-Application
in	O
2010	O
.	O
</s>
<s>
On	O
July	O
18	O
,	O
2013	O
,	O
it	O
was	O
confirmed	O
that	O
Mega	B-Application
Man	I-Application
IV	I-Application
is	O
planned	O
for	O
release	O
on	O
the	O
3DS	B-Operating_System
Virtual	B-Application
Console	I-Application
which	O
came	O
out	O
on	O
October	O
23	O
,	O
2013	O
in	O
Japan	O
and	O
on	O
May	O
15	O
,	O
2014	O
in	O
North	O
America	O
.	O
</s>
<s>
Nintendo	B-Application
Power	I-Application
rated	O
Mega	B-Application
Man	I-Application
IV	I-Application
the	O
second	O
best	O
Game	B-Device
Boy	I-Device
game	O
of	O
1993	O
.	O
</s>
