<s>
third-generation	B-Application
home	B-Device
video	I-Device
game	I-Device
console	I-Device
manufactured	O
and	O
developed	O
by	O
Sega	O
.	O
</s>
<s>
It	O
was	O
originally	O
a	O
remodeled	O
export	O
version	O
of	O
the	O
Sega	O
Mark	O
III	O
,	O
the	O
third	B-Application
iteration	O
of	O
the	O
SG-1000	B-Operating_System
series	O
of	O
consoles	O
,	O
which	O
was	O
released	O
in	O
Japan	O
in	O
1985	O
and	O
featured	O
enhanced	O
graphical	O
capabilities	O
over	O
its	O
predecessors	O
.	O
</s>
<s>
A	O
Japanese	O
version	O
of	O
the	O
Master	O
System	O
was	O
also	O
launched	O
in	O
1987	O
,	O
which	O
features	O
a	O
few	O
enhancements	O
over	O
the	O
export	O
models	O
(	O
and	O
by	O
proxy	O
the	O
original	O
Mark	O
III	O
)	O
:	O
a	O
built-in	O
FM	O
audio	O
chip	O
,	O
a	O
rapid-fire	O
switch	O
,	O
and	O
a	O
dedicated	O
port	O
for	O
the	O
3D	B-Algorithm
glasses	I-Algorithm
.	O
</s>
<s>
The	O
original	O
Master	O
System	O
models	O
use	O
both	O
cartridges	B-Protocol
and	O
a	O
credit	O
card-sized	O
format	O
known	O
as	O
Sega	B-Device
Cards	I-Device
.	O
</s>
<s>
Accessories	O
for	O
the	O
consoles	O
include	O
a	O
light	B-Device
gun	I-Device
and	O
3D	B-Algorithm
glasses	I-Algorithm
that	O
work	O
with	O
a	O
range	O
of	O
specially	O
designed	O
games	O
.	O
</s>
<s>
The	O
later	O
Master	O
System	O
II	O
redesign	O
removed	O
the	O
card	O
slot	O
,	O
turning	O
it	O
into	O
a	O
strictly	O
cartridge-only	O
system	O
,	O
and	O
is	O
incompatible	O
with	O
the	O
3D	B-Algorithm
glasses	I-Algorithm
.	O
</s>
<s>
Retrospective	O
criticism	O
has	O
recognized	O
its	O
role	O
in	O
the	O
development	O
of	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
,	O
and	O
a	O
number	O
of	O
well-received	O
games	O
,	O
particularly	O
in	O
PAL	B-Language
(	O
including	O
PAL-M	O
)	O
regions	O
,	O
but	O
is	O
critical	O
of	O
its	O
limited	O
library	O
in	O
the	O
NTSC	O
regions	O
,	O
which	O
were	O
dominated	O
by	O
the	O
NES	O
.	O
</s>
<s>
On	O
July	O
15	O
,	O
1983	O
,	O
Sega	O
released	O
its	O
first	O
video	B-Application
game	I-Application
console	I-Application
,	O
the	O
SG-1000	B-Operating_System
,	O
in	O
Japan	O
.	O
</s>
<s>
Sega	O
released	O
another	O
console	O
,	O
the	O
SG-1000	B-Operating_System
II	I-Operating_System
,	O
featuring	O
several	O
hardware	O
alterations	O
,	O
including	O
detachable	O
controllers	O
.	O
</s>
<s>
The	O
Mark	O
III	O
was	O
a	O
redesigned	O
version	O
of	O
the	O
SG-1000	B-Operating_System
.	O
</s>
<s>
It	O
was	O
engineered	O
by	O
the	O
same	O
team	O
,	O
including	O
Hideki	O
Sato	O
and	O
Masami	B-Operating_System
Ishikawa	I-Operating_System
,	O
who	O
had	O
worked	O
on	O
the	O
II	O
and	O
later	O
led	O
development	O
of	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
.	O
</s>
<s>
According	O
to	O
Sato	O
,	O
the	O
console	O
was	O
designed	O
because	O
of	O
the	O
limitations	O
of	O
the	O
TMS9918	B-Architecture
graphics	O
chip	O
in	O
the	O
SG-1000	B-Operating_System
and	O
II	O
,	O
which	O
did	O
not	O
have	O
the	O
power	O
for	O
the	O
kinds	O
of	O
games	O
Sega	O
wanted	O
to	O
make	O
.	O
</s>
<s>
Problems	O
arose	O
from	O
Nintendo	O
's	O
licensing	O
practices	O
with	O
third-party	O
developers	O
,	O
whereby	O
Nintendo	O
required	O
that	O
games	O
for	O
the	O
Famicom	O
not	O
be	O
published	O
on	O
other	O
consoles	O
.	O
</s>
<s>
Though	O
the	O
SG-1000	B-Operating_System
had	O
not	O
been	O
released	O
in	O
the	O
United	O
States	O
,	O
Sega	O
hoped	O
that	O
their	O
video	B-Application
game	I-Application
console	I-Application
business	O
would	O
fare	O
better	O
in	O
North	O
America	O
than	O
it	O
had	O
in	O
Japan	O
.	O
</s>
<s>
It	O
was	O
initially	O
sold	O
in	O
a	O
package	O
with	O
the	O
"	O
Power	O
Base	O
"	O
console	O
,	O
a	O
light	B-Device
gun	I-Device
,	O
two	O
controllers	O
,	O
and	O
a	O
pack-in	O
multicart	O
.	O
</s>
<s>
The	O
console	O
was	O
launched	O
in	O
September	O
1986	O
at	O
a	O
price	O
of	O
$200	O
(	O
)	O
,	O
including	O
the	O
games	O
Hang-On	B-Application
and	O
Safari	B-Application
Hunt	I-Application
.	O
</s>
<s>
By	O
the	O
end	O
of	O
1986	O
,	O
125,000	O
Master	O
System	O
consoles	O
had	O
been	O
sold	O
,	O
more	O
than	O
the	O
Atari	B-General_Concept
7800	I-General_Concept
's	O
100,000	O
but	O
less	O
than	O
Nintendo	O
's	O
1.1million	O
.	O
</s>
<s>
Limited	O
by	O
Nintendo	O
's	O
licensing	O
practices	O
,	O
Sega	O
only	O
had	O
two	O
third-party	O
American	O
publishers	O
,	O
Activision	O
and	O
Parker	O
Brothers	O
.	O
</s>
<s>
Out	B-Application
Run	I-Application
and	O
Shooting	O
Gallery	O
were	O
two	O
games	O
included	O
in	O
the	O
challenge	O
.	O
</s>
<s>
Tonka	O
blocked	O
localization	O
of	O
several	O
popular	O
Japanese	O
games	O
,	O
and	O
during	O
1988	O
were	O
less	O
willing	O
to	O
purchase	O
EPROMs	B-General_Concept
needed	O
for	O
game	B-Protocol
cartridge	I-Protocol
manufacture	O
during	O
a	O
shortage	O
.	O
</s>
<s>
Virgin	O
Mastertronic	O
focused	O
marketing	O
the	O
Master	O
System	O
on	O
ports	O
of	O
Sega	O
's	O
arcade	O
games	O
and	O
positioning	O
it	O
as	O
a	O
superior	O
video	O
game	O
alternative	O
to	O
the	O
Commodore	O
64	O
and	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
computers	O
.	O
</s>
<s>
The	O
Master	O
System	O
held	O
a	O
significant	O
part	O
of	O
the	O
video	B-Application
game	I-Application
console	I-Application
market	O
in	O
Europe	O
through	O
the	O
release	O
of	O
Sega	O
's	O
succeeding	O
console	O
,	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
.	O
</s>
<s>
Players	O
competed	O
in	O
a	O
variety	O
of	O
games	O
,	O
including	O
Astro	B-Application
Warrior	I-Application
,	O
platform	O
games	O
,	O
and	O
sports	O
games	O
.	O
</s>
<s>
For	O
the	O
year	O
1990	O
,	O
Virgin	O
Mastertronic	O
sold	O
150,000	O
Master	O
Systems	O
in	O
the	O
United	O
Kingdom	O
,	O
greater	O
than	O
the	O
60,000	O
Mega	B-Operating_System
Drives	I-Operating_System
and	O
Nintendo	O
's	O
80,000	O
consoles	O
sold	O
in	O
the	O
same	O
period	O
.	O
</s>
<s>
By	O
the	O
end	O
of	O
1990	O
,	O
the	O
installed	B-Operating_System
base	I-Operating_System
in	O
Brazil	O
was	O
about	O
280,000	O
units	O
.	O
</s>
<s>
In	O
South	O
Korea	O
,	O
the	O
Sega	O
Mark	O
III	O
was	O
released	O
by	O
Samsung	B-Application
under	O
the	O
name	O
"	O
Gam*Boy	O
"	O
in	O
April	O
1989	O
and	O
then	O
the	O
Master	O
System	O
II	O
was	O
released	O
under	O
the	O
name	O
"	O
Aladdin	O
Boy	O
"	O
in	O
1992	O
.	O
</s>
<s>
Another	O
competitor	O
arose	O
in	O
Japan	O
in	O
1987	O
when	O
Japanese	O
computer	O
giant	O
NEC	O
released	O
the	O
PC	B-General_Concept
Engine	I-General_Concept
(	O
TurboGrafx-16	B-General_Concept
in	O
North	O
America	O
)	O
amid	O
great	O
publicity	O
.	O
</s>
<s>
Sega	O
released	O
its	O
next	O
console	O
,	O
the	O
16-bit	B-Device
Mega	B-Operating_System
Drive	I-Operating_System
,	O
in	O
Japan	O
on	O
October	O
29	O
,	O
1988	O
.	O
</s>
<s>
The	O
final	O
licensed	O
release	O
for	O
the	O
Master	O
System	O
in	O
Japan	O
was	O
Bomber	B-Application
Raid	I-Application
in	O
1989	O
.	O
</s>
<s>
In	O
the	O
same	O
year	O
,	O
Sega	O
was	O
preparing	O
to	O
release	O
the	O
new	O
Mega	B-Operating_System
Drive	I-Operating_System
,	O
rebranded	O
Genesis	O
,	O
in	O
North	O
America	O
.	O
</s>
<s>
In	O
1990	O
,	O
Sega	O
released	O
the	O
remodeled	O
Master	O
System	O
II	O
,	O
designed	O
as	O
a	O
lower-cost	O
version	O
without	O
the	O
Sega	B-Device
Card	I-Device
slot	O
.	O
</s>
<s>
The	O
last	O
licensed	O
Master	O
System	O
release	O
in	O
North	O
America	O
was	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
(	O
1991	O
)	O
.	O
</s>
<s>
In	O
1993	O
,	O
the	O
Master	O
System	O
's	O
estimated	O
active	O
installed	B-Operating_System
user	I-Operating_System
base	I-Operating_System
in	O
Europe	O
was	O
6.25million	O
units	O
,	O
larger	O
than	O
that	O
of	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
's	O
5.73million	O
that	O
year	O
but	O
less	O
than	O
the	O
NES	O
's	O
7.26million	O
.	O
</s>
<s>
Combined	O
with	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
,	O
Sega	O
represented	O
the	O
majority	O
of	O
the	O
European	O
console	O
market	O
that	O
year	O
.	O
</s>
<s>
Releases	O
continued	O
into	O
the	O
1990s	O
in	O
Europe	O
,	O
including	O
Mercs	B-Application
(	O
1991	O
)	O
,	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
2	I-Application
(	O
1992	O
)	O
and	O
Streets	B-Application
of	I-Application
Rage	I-Application
2	I-Application
(	O
1993	O
)	O
.	O
</s>
<s>
In	O
2015	O
,	O
it	O
was	O
reported	O
that	O
Master	O
System	O
plug	O
and	O
play	O
systems	O
sell	O
around	O
150,000	O
units	O
per	O
year	O
in	O
Brazil	O
,	O
a	O
level	O
that	O
holds	O
its	O
own	O
against	O
modern	O
systems	O
such	O
as	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
.	O
</s>
<s>
The	O
Master	O
System	O
's	O
main	O
CPU	B-Device
is	O
a	O
Zilog	B-General_Concept
Z80A	I-General_Concept
,	O
an	O
8-bit	O
processor	O
rated	O
for	O
4MHz	O
,	O
but	O
runs	O
at	O
3.58MHz	O
.	O
</s>
<s>
It	O
has	O
8	O
KB	O
of	O
ROM	B-Device
,	O
8	O
KB	O
of	O
RAM	B-Architecture
and	O
16	O
KB	O
of	O
video	O
RAM	B-Architecture
.	O
</s>
<s>
Video	O
is	O
provided	O
through	O
an	O
RF	B-Algorithm
switch	I-Algorithm
(	O
though	O
Model	O
1s	O
with	O
an	O
AV	O
port	O
can	O
also	O
output	O
composite	O
and	O
even	O
RGB	O
video	O
)	O
and	O
displays	O
at	O
a	O
resolution	O
of	O
256	O
×	O
192	O
pixels	O
and	O
up	O
to	O
32	O
colors	O
at	O
one	O
time	O
from	O
a	O
total	O
palette	O
of	O
64	O
colors	O
;	O
the	O
Video	O
Display	O
Processor	O
(	O
VDP	O
)	O
graphics	O
chip	O
was	O
designed	O
by	O
Sega	O
for	O
the	O
Mark	O
III	O
.	O
</s>
<s>
Both	O
consoles	O
use	O
two	O
slots	O
for	O
game	O
input	O
:	O
one	O
for	O
Mega	O
Cartridges	B-Protocol
and	O
one	O
for	O
Sega	B-Device
Cards	I-Device
,	O
along	O
with	O
an	O
expansion	O
slot	O
and	O
2	O
controller	O
ports	O
.	O
</s>
<s>
Sound	O
is	O
provided	O
by	O
the	O
SN76489	B-Device
PSG	O
built	O
into	O
the	O
VDP	O
,	O
which	O
can	O
provide	O
three	O
square	O
wave	O
channels	O
and	O
one	O
noise	O
channel	O
.	O
</s>
<s>
Games	O
for	O
the	O
console	O
are	O
playable	O
on	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
using	O
the	O
Power	O
Base	O
Converter	O
accessory	O
,	O
and	O
on	O
the	O
Game	O
Gear	O
using	O
the	O
Master	O
Gear	O
Converter	O
.	O
</s>
<s>
Compared	O
to	O
the	O
base	O
NES	O
,	O
the	O
Master	O
System	O
has	O
four	O
times	O
as	O
much	O
system	O
memory	O
,	O
eight	O
times	O
as	O
much	O
video	O
memory	O
,	O
and	O
a	O
higher	O
CPU	B-Device
clock	O
rate	O
.	O
</s>
<s>
The	O
Master	O
System	O
II	O
,	O
released	O
in	O
1990	O
,	O
removed	O
a	O
number	O
of	O
components	O
to	O
reduce	O
cost	O
:	O
the	O
Sega	B-Device
Card	I-Device
slot	O
,	O
reset	O
button	O
,	O
power	O
light	O
,	O
expansion	O
port	O
,	O
and	O
startup	O
music	O
and	O
logo	O
.	O
</s>
<s>
In	O
most	O
regions	O
,	O
the	O
Master	O
System	O
II	O
's	O
A/V	O
port	O
was	O
omitted	O
,	O
leaving	O
only	O
RF	B-Protocol
output	O
available	O
;	O
this	O
was	O
reversed	O
in	O
France	O
,	O
where	O
the	O
local	O
version	O
of	O
the	O
Master	O
System	O
II	O
had	O
only	O
A/V	O
video	O
output	O
available	O
and	O
omitted	O
the	O
RF	B-Protocol
hardware	O
.	O
</s>
<s>
In	O
Brazil	O
,	O
Tectoy	O
released	O
several	O
licensed	O
variations	O
;	O
the	O
Master	O
System	O
Super	O
Compact	O
functions	O
wirelessly	O
with	O
an	O
RF	B-Protocol
transmitter	O
,	O
and	O
the	O
Master	O
System	O
Girl	O
,	O
molded	O
in	O
bright	O
pink	O
plastic	O
,	O
was	O
targeted	O
at	O
girls	O
.	O
</s>
<s>
Handheld	B-Application
versions	O
of	O
the	O
Master	O
System	O
were	O
released	O
under	O
several	O
brands	O
,	O
such	O
as	O
Coleco	O
in	O
2006	O
.	O
</s>
<s>
The	O
controller	O
consists	O
of	O
a	O
rectangle	O
with	O
a	O
D-pad	B-Device
and	O
two	O
buttons	O
.	O
</s>
<s>
Sega	O
also	O
introduced	O
additional	O
Mark	O
III	O
controllers	O
,	O
such	O
as	O
a	O
paddle	B-Device
controller	I-Device
.	O
</s>
<s>
Unreleased	O
in	O
Europe	O
,	O
the	O
Sega	O
Sports	O
Pad	O
utilizes	O
a	O
trackball	B-Device
and	O
is	O
compatible	O
with	O
three	O
games	O
.	O
</s>
<s>
A	O
light	B-Device
gun	I-Device
peripheral	O
,	O
the	O
Light	O
Phaser	O
,	O
was	O
based	O
on	O
the	O
weapon	O
of	O
the	O
same	O
name	O
from	O
the	O
Japanese	O
anime	O
Zillion	O
.	O
</s>
<s>
A	O
pair	O
of	O
3D	B-Algorithm
glasses	I-Algorithm
,	O
the	O
SegaScope	O
3-D	O
,	O
were	O
created	O
for	O
games	O
such	O
as	O
Space	B-Application
Harrier	I-Application
3D	I-Application
,	O
although	O
Mark	O
III	O
users	O
need	O
an	O
additional	O
converter	O
to	O
use	O
them	O
.	O
</s>
<s>
The	O
Mark	O
III	O
has	O
an	O
optional	O
RF	B-Protocol
transmitter	O
accessory	O
,	O
allowing	O
wireless	O
play	O
that	O
broadcasts	O
the	O
game	O
being	O
played	O
on	O
a	O
UHF	O
television	O
signal	O
.	O
</s>
<s>
The	O
SegaScope	O
3-D	O
works	O
via	O
an	O
active	O
shutter	O
system	O
,	O
creating	O
a	O
stereoscopic	B-Application
effect	O
.	O
</s>
<s>
The	O
glasses	O
need	O
to	O
be	O
connected	O
to	O
the	O
Sega	B-Device
Card	I-Device
slot	O
,	O
and	O
thus	O
do	O
not	O
function	O
with	O
the	O
Master	O
System	O
II	O
due	O
to	O
lack	O
of	O
the	O
card	O
slot	O
.	O
</s>
<s>
A	O
total	O
of	O
eight	O
games	O
,	O
including	O
Zaxxon	B-Application
3D	I-Application
and	O
Out	B-Application
Run	I-Application
3D	O
,	O
are	O
compatible	O
with	O
the	O
glasses	O
.	O
</s>
<s>
Developed	O
under	O
the	O
name	O
"	O
Project	O
Mercury	O
"	O
and	O
designed	O
based	O
on	O
the	O
Master	O
System	O
's	O
hardware	O
,	O
the	O
Game	O
Gear	O
is	O
a	O
handheld	B-Application
game	I-Application
console	I-Application
.	O
</s>
<s>
Originally	O
retailing	O
at	O
JP¥	O
19,800	O
in	O
Japan	O
,	O
US	O
$149.99	O
in	O
North	O
America	O
,	O
and	O
GB	O
£99.99	O
in	O
Europe	O
,	O
the	O
Game	O
Gear	O
was	O
designed	O
to	O
compete	O
with	O
the	O
Game	B-Device
Boy	I-Device
,	O
which	O
Nintendo	O
had	O
released	O
in	O
1989	O
.	O
</s>
<s>
Because	O
of	O
hardware	O
similarities	O
,	O
including	O
the	O
landscape	O
screen	O
orientation	O
,	O
Master	O
System	O
games	O
are	O
easily	O
portable	O
to	O
the	O
handheld	B-Application
.	O
</s>
<s>
Master	O
System	O
games	O
came	O
in	O
two	O
formats	O
:	O
ROM	B-Protocol
cartridges	I-Protocol
held	O
up	O
to	O
4	O
Mbit	O
of	O
code	O
,	O
while	O
Sega	B-Device
Cards	I-Device
held	O
up	O
to	O
256	O
Kbit	O
.	O
</s>
<s>
Cards	O
,	O
cheaper	O
to	O
manufacture	O
than	O
the	O
cartridges	B-Protocol
,	O
included	O
Spy	B-Application
vs.	I-Application
Spy	I-Application
and	O
Super	O
Tennis	O
,	O
but	O
were	O
eventually	O
dropped	O
due	O
to	O
their	O
small	O
memory	O
size	O
.	O
</s>
<s>
Europe	O
,	O
by	O
contrast	O
,	O
received	O
over	O
300	O
licensed	O
games	O
,	O
including	O
8-bit	O
ports	O
of	O
Genesis	O
games	O
and	O
PAL-exclusive	O
releases	O
.	O
</s>
<s>
The	O
first	O
Mark	O
III-specific	O
cartridge	B-Protocol
was	O
Fantasy	B-Application
Zone	I-Application
,	O
released	O
on	O
June	O
15	O
,	O
1986	O
,	O
and	O
Bomber	B-Application
Raid	I-Application
was	O
the	O
final	O
release	O
on	O
February	O
4	O
,	O
1989	O
,	O
a	O
few	O
months	O
after	O
the	O
launch	O
of	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
.	O
</s>
<s>
The	O
final	O
North	O
American	O
release	O
was	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
in	O
October	O
1991	O
.	O
</s>
<s>
Games	O
for	O
PAL	B-Language
regions	O
continued	O
to	O
be	O
released	O
until	O
the	O
mid-1990s	O
.	O
</s>
<s>
The	O
Sega	O
Mark	O
III	O
and	O
the	O
Japanese	O
Master	O
System	O
are	O
backwards-compatible	B-General_Concept
with	O
SC-3000/SG	O
-1000	O
cartridges	B-Protocol
,	O
and	O
can	O
play	O
Sega	B-Device
Card	I-Device
games	O
without	O
the	O
Card	O
Catcher	O
peripheral	O
.	O
</s>
<s>
However	O
,	O
educational	O
and	O
programming	O
cartridges	B-Protocol
for	O
the	O
SC-3000	O
require	O
the	O
SK-1100	O
keyboard	O
peripheral	O
,	O
which	O
is	O
compatible	O
with	O
the	O
Mark	O
III	O
but	O
not	O
the	O
Japanese	O
Master	O
System	O
.	O
</s>
<s>
Mark	O
III-specific	O
games	O
were	O
initially	O
available	O
in	O
card	O
format	O
(	O
labelled	O
My	B-Device
Card	I-Device
Mark	O
III	O
to	O
distinguish	O
themselves	O
from	O
games	O
designed	O
for	O
the	O
SC-3000/SG	O
-1000	O
)	O
,	O
starting	O
with	O
Teddy	B-Application
Boy	I-Application
Blues	I-Application
and	O
Hang-On	B-Application
,	O
both	O
released	O
on	O
October	O
20	O
,	O
1985	O
.	O
</s>
<s>
Of	O
the	O
games	O
released	O
for	O
the	O
Master	O
System	O
,	O
Phantasy	B-Application
Star	I-Application
is	O
considered	O
a	O
benchmark	O
role-playing	O
game	O
(	O
RPG	O
)	O
,	O
and	O
became	O
a	O
successful	B-Application
franchise	I-Application
.	O
</s>
<s>
Sega	O
's	O
flagship	O
character	O
at	O
the	O
time	O
,	O
Alex	O
Kidd	O
,	O
featured	O
in	O
games	O
including	O
Alex	B-Application
Kidd	I-Application
in	I-Application
Miracle	I-Application
World	I-Application
.	O
</s>
<s>
Wonder	B-Application
Boy	I-Application
III	I-Application
:	I-Application
The	I-Application
Dragon	I-Application
's	I-Application
Trap	I-Application
was	O
influential	O
for	O
its	O
blend	O
of	O
platform	O
gameplay	O
with	O
RPG	O
elements	O
.	O
</s>
<s>
Different	O
Master	O
System	O
consoles	O
included	O
built-in	O
games	O
,	O
including	O
Snail	B-Application
Maze	I-Application
,	O
Hang-On	B-Application
,	O
Alex	B-Application
Kidd	I-Application
in	I-Application
Miracle	I-Application
World	I-Application
and	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
.	O
</s>
<s>
The	O
more	O
extensive	O
PAL	B-Language
region	O
library	O
includes	O
8-bit	O
entries	O
in	O
Genesis	O
franchises	O
such	O
as	O
Streets	B-Application
of	I-Application
Rage	I-Application
,	O
a	O
number	O
of	O
additional	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
games	O
,	O
and	O
dozens	O
of	O
PAL	B-Language
exclusives	O
such	O
as	O
Lucky	B-Application
Dime	I-Application
Caper	I-Application
,	O
Asterix	B-Application
,	O
Ninja	B-Application
Gaiden	I-Application
,	O
Master	B-Application
of	I-Application
Darkness	I-Application
and	O
Power	B-Application
Strike	I-Application
II	I-Application
.	O
</s>
<s>
Retro	O
Gamer	O
's	O
Damien	O
McFerran	O
praised	O
the	O
"	O
superb	O
"	O
PAL	B-Language
library	O
of	O
"	O
interesting	O
ports	O
and	O
excellent	O
exclusives	O
"	O
,	O
which	O
was	O
richer	O
than	O
the	O
North	O
American	O
library	O
and	O
provided	O
a	O
"	O
drip-feed	O
of	O
quality	O
titles	O
"	O
.	O
</s>
<s>
After	O
the	O
Master	O
System	O
was	O
discontinued	O
in	O
other	O
markets	O
,	O
additional	O
games	O
were	O
released	O
in	O
Brazil	O
by	O
Tectoy	O
,	O
including	O
ports	O
of	O
Street	B-Application
Fighter	I-Application
II	I-Application
and	O
Dynamite	B-Application
Headdy	I-Application
.	O
</s>
<s>
Some	O
of	O
these	O
would	O
tie	O
in	O
to	O
popular	O
Brazilian	O
entertainment	O
franchises	O
;	O
for	O
example	O
,	O
Teddy	B-Application
Boy	I-Application
became	O
Geraldinho	O
,	O
certain	O
Wonder	B-Application
Boy	I-Application
titles	O
became	O
Monica	O
's	O
Gang	O
games	O
,	O
and	O
Ghost	B-Application
House	I-Application
became	O
Chapolim	O
vs.	O
Dracula	O
:	O
Um	O
Duelo	O
Assutador	O
,	O
based	O
on	O
the	O
Mexican	O
TV	O
series	O
El	O
Chapulín	O
Colorado	O
.	O
</s>
<s>
Aside	O
from	O
porting	O
,	O
the	O
company	O
developed	O
Férias	B-Application
Frustradas	I-Application
do	I-Application
Pica-Pau	I-Application
after	O
finding	O
out	O
that	O
Woody	B-Operating_System
Woodpecker	I-Operating_System
(	O
named	O
Pica-Pau	O
in	O
Portuguese	O
)	O
was	O
the	O
most	O
popular	O
cartoon	O
on	O
Brazilian	O
television	O
,	O
along	O
with	O
at	O
least	O
twenty	O
additional	O
exclusives	O
.	O
</s>
<s>
Due	O
in	O
part	O
to	O
Nintendo	O
's	O
licensing	O
practices	O
,	O
which	O
stipulated	O
that	O
third-party	O
NES	O
developers	O
could	O
not	O
release	O
games	O
on	O
other	O
platforms	O
,	O
few	O
third-party	O
developers	O
released	O
games	O
for	O
the	O
Master	O
System	O
.	O
</s>
<s>
According	O
to	O
Sato	O
,	O
Sega	O
was	O
focused	O
on	O
porting	O
its	O
arcade	O
games	O
instead	O
of	O
building	O
relationships	O
with	O
third	B-Application
parties	O
.	O
</s>
<s>
Games	O
for	O
the	O
Master	O
System	O
took	O
advantage	O
of	O
more	O
advanced	O
hardware	O
compared	O
to	O
the	O
NES	O
;	O
Alex	B-Application
Kidd	I-Application
in	I-Application
Miracle	I-Application
World	I-Application
,	O
for	O
example	O
,	O
showcases	O
"	O
blistering	O
colors	O
and	O
more	O
detailed	O
sprites	O
"	O
than	O
NES	O
games	O
.	O
</s>
<s>
The	O
Master	O
System	O
version	O
of	O
R-Type	B-Application
was	O
praised	O
for	O
its	O
visuals	O
,	O
comparable	O
to	O
those	O
of	O
the	O
TurboGrafx-16	B-General_Concept
port	O
.	O
</s>
<s>
Several	O
Master	O
System	O
games	O
were	O
released	O
for	O
download	O
on	O
Nintendo	B-Operating_System
's	I-Operating_System
Wii	I-Operating_System
Virtual	B-Application
Console	I-Application
,	O
beginning	O
with	O
Fist	B-Application
of	I-Application
the	I-Application
North	I-Application
Star	I-Application
in	O
2008	O
in	O
Japan	O
and	O
Wonder	B-Application
Boy	I-Application
in	O
North	O
America	O
.	O
</s>
<s>
Master	O
System	O
games	O
were	O
also	O
released	O
via	O
the	O
GameTap	B-Operating_System
online	O
service	O
.	O
</s>
<s>
Due	O
to	O
the	O
continued	O
release	O
of	O
new	O
variants	O
in	O
Brazil	O
,	O
the	O
Master	O
System	O
is	O
considered	O
by	O
many	O
video	O
gaming	O
publications	O
to	O
be	O
the	O
longest	O
lived	O
gaming	O
console	O
in	O
video	O
games	O
history	O
,	O
a	O
title	O
it	O
took	O
from	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
.	O
</s>
<s>
Sega	O
closed	O
the	O
gap	O
between	O
Nintendo	O
in	O
the	O
next	B-Application
generation	I-Application
with	O
the	O
release	O
of	O
the	O
Genesis	O
,	O
which	O
sold	O
30.75million	O
consoles	O
compared	O
with	O
the	O
49million	O
Super	B-Application
Nintendo	I-Application
Entertainment	I-Application
System	I-Application
consoles	O
.	O
</s>
<s>
Retrospective	O
feedback	O
of	O
the	O
Master	O
System	O
praises	O
its	O
support	O
toward	O
development	O
of	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
,	O
but	O
has	O
been	O
critical	O
of	O
its	O
small	O
game	O
library	O
.	O
</s>
<s>
Writing	O
for	O
AllGame	O
,	O
Dave	O
Beuscher	O
noted	O
that	O
the	O
Master	O
System	O
"	O
was	O
doomed	O
by	O
the	O
lack	O
of	O
third-party	O
software	O
support	O
and	O
all	O
but	O
disappeared	O
from	O
the	O
American	O
market	O
by	O
1992	O
"	O
.	O
</s>
<s>
Retro	O
Gamer	O
writer	O
Adam	O
Buchanan	O
praised	O
the	O
larger	O
PAL	B-Language
library	O
as	O
a	O
"	O
superb	O
library	O
of	O
interesting	O
ports	O
and	O
excellent	O
exclusives	O
"	O
.	O
</s>
<s>
Damien	O
McFerran	O
,	O
also	O
of	O
Retro	O
Gamer	O
,	O
recognized	O
its	O
importance	O
to	O
the	O
success	O
of	O
the	O
Genesis	O
,	O
stating	O
,	O
"	O
Without	O
this	O
criminally	O
undervalued	O
machine	O
,	O
Sega	O
would	O
not	O
have	O
enjoyed	O
the	O
considerable	O
success	O
it	O
had	O
with	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
.	O
</s>
<s>
In	O
2009	O
,	O
the	O
Master	O
System	O
was	O
named	O
the	O
20th	O
best	O
console	O
of	O
all	O
time	O
by	O
IGN	O
,	O
behind	O
the	O
Atari	B-General_Concept
7800	I-General_Concept
(	O
17th	O
)	O
and	O
the	O
NES	O
(	O
1st	O
)	O
.	O
</s>
