<s>
Serious	B-Application
Sam	I-Application
Double	I-Application
D	I-Application
is	O
a	O
2011	O
side-scrolling	O
shooter	O
game	O
developed	O
by	O
Mommy	B-Application
's	I-Application
Best	I-Application
Games	I-Application
and	O
published	O
by	O
Devolver	O
Digital	O
.	O
</s>
<s>
Announced	O
in	O
March	O
2011	O
,	O
Double	O
D	O
was	O
created	O
as	O
part	O
of	O
the	O
Serious	B-Device
Sam	I-Device
Indie	O
Series	O
to	O
promote	O
the	O
release	O
of	O
Serious	B-Application
Sam	I-Application
3	I-Application
:	I-Application
BFE	I-Application
.	O
</s>
<s>
Devolver	O
Digital	O
requested	O
a	O
"	O
Contra	B-Application
on	O
acid	O
"	O
and	O
designer	O
Nathan	O
Fouts	O
modeled	O
the	O
game	O
after	O
Mommy	B-Application
's	I-Application
Best	I-Application
Games	I-Application
 '	O
first	O
release	O
,	O
Weapon	B-Application
of	I-Application
Choice	I-Application
.	O
</s>
<s>
Serious	B-Application
Sam	I-Application
Double	I-Application
D	I-Application
XXL	I-Application
,	O
an	O
expanded	O
version	O
,	O
was	O
co-released	O
by	O
Mastertronic	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
via	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
in	O
February	O
2013	O
,	O
introducing	O
more	O
content	O
and	O
a	O
local	O
cooperative	O
multiplayer	O
mode	O
.	O
</s>
<s>
Serious	B-Application
Sam	I-Application
Double	I-Application
D	I-Application
is	O
a	O
2D	O
side-scrolling	O
shooter	O
with	O
run	O
and	O
gun	O
,	O
platform	O
,	O
and	O
exploration	O
elements	O
.	O
</s>
<s>
It	O
is	O
played	O
as	O
a	O
twin-stick	O
shooter	O
with	O
a	O
gamepad	B-Device
or	O
with	O
a	O
keyboard	B-Device
–	O
mouse	B-Device
control	O
combination	O
.	O
</s>
<s>
Enemies	O
approach	O
from	O
any	O
direction	O
and	O
attack	O
using	O
varying	O
behaviors	O
:	O
some	O
engage	O
in	O
melee	B-Application
combat	O
,	O
others	O
bear	O
ranged	O
weapons	O
,	O
and	O
some	O
act	O
as	O
suicide	O
bombers	O
.	O
</s>
<s>
In	O
Serious	B-Application
Sam	I-Application
Double	I-Application
D	I-Application
XXL	I-Application
,	O
each	O
type	O
of	O
weapon	O
has	O
four	O
distinct	O
upgrades	O
.	O
</s>
<s>
Serious	B-Application
Sam	I-Application
Double	I-Application
D	I-Application
was	O
developed	O
by	O
Mommy	B-Application
's	I-Application
Best	I-Application
Games	I-Application
,	O
an	O
indie	O
game	O
studio	O
founded	O
in	O
2007	O
by	O
Nathan	O
Fouts	O
.	O
</s>
<s>
The	O
studio	O
had	O
previously	O
created	O
Weapon	B-Application
of	I-Application
Choice	I-Application
(	O
its	O
first	O
)	O
,	O
Shoot	O
1Up	O
,	O
and	O
Explosionade	O
.	O
</s>
<s>
After	O
coming	O
across	O
Weapon	B-Application
of	I-Application
Choice	I-Application
,	O
Devolver	O
Digital	O
,	O
the	O
publisher	O
of	O
the	O
Serious	B-Device
Sam	I-Device
series	O
,	O
contacted	O
Fouts	O
,	O
asking	O
him	O
to	O
create	O
a	O
game	O
as	O
part	O
of	O
the	O
Serious	B-Device
Sam	I-Device
Indie	O
Series	O
.	O
</s>
<s>
A	O
triplet	O
of	O
spin-offs	O
to	O
be	O
created	O
by	O
small	O
studios	O
to	O
promote	O
the	O
impending	O
launch	O
of	O
Serious	B-Application
Sam	I-Application
3	I-Application
:	I-Application
BFE	I-Application
,	O
the	O
Indie	O
Series	O
also	O
encompasses	O
Serious	B-Application
Sam	I-Application
:	I-Application
Kamikaze	I-Application
Attack	I-Application
!	I-Application
</s>
<s>
and	O
Serious	B-Application
Sam	I-Application
:	I-Application
The	I-Application
Random	I-Application
Encounter	I-Application
.	O
</s>
<s>
The	O
publisher	O
sought	O
a	O
"	O
Contra	B-Application
on	O
acid	O
"	O
,	O
while	O
Fouts	O
ruled	O
out	O
simply	O
creating	O
a	O
2D	O
conversion	O
of	O
a	O
previous	O
Serious	B-Device
Sam	I-Device
game	O
.	O
</s>
<s>
Fouts	O
modeled	O
Double	O
D	O
after	O
Weapon	B-Application
of	I-Application
Choice	I-Application
,	O
re-using	O
and	O
improving	O
on	O
its	O
development	O
tools	O
and	O
XNA-based	O
game	O
engine	O
.	O
</s>
<s>
Croteam	O
,	O
the	O
main	O
developer	O
of	O
the	O
Serious	B-Device
Sam	I-Device
series	O
,	O
was	O
hands-off	O
in	O
the	O
development	O
.	O
</s>
<s>
The	O
gun	O
stacker	O
was	O
conceived	O
as	O
Fouts	O
wanted	O
to	O
include	O
irregular	O
guns	O
(	O
as	O
he	O
had	O
in	O
his	O
previous	O
games	O
)	O
but	O
constrained	O
himself	O
to	O
those	O
from	O
previous	O
Serious	B-Device
Sam	I-Device
games	O
.	O
</s>
<s>
The	O
jump	O
pad	O
was	O
added	O
to	O
adapt	O
the	O
circle	O
strafing	O
technique	O
often	O
used	O
in	O
3D	O
Serious	B-Device
Sam	I-Device
games	O
.	O
</s>
<s>
The	O
game	O
incorporates	O
several	O
enemies	O
previously	O
seen	O
in	O
other	O
Serious	B-Device
Sam	I-Device
games	O
,	O
as	O
well	O
as	O
original	O
designs	O
.	O
</s>
<s>
The	O
Serious	B-Device
Sam	I-Device
Indie	O
Series	O
was	O
announced	O
by	O
Devolver	O
Digital	O
in	O
March	O
2011	O
.	O
</s>
<s>
During	O
development	O
,	O
Fouts	O
was	O
under	O
pressure	O
to	O
finish	O
his	O
game	O
before	O
Serious	B-Application
Sam	I-Application
3	I-Application
:	I-Application
BFE	I-Application
was	O
released	O
.	O
</s>
<s>
Double	O
D	O
was	O
released	O
for	O
Windows	O
on	O
August	O
30	O
,	O
2011	O
,	O
as	O
the	O
first	O
entry	O
in	O
the	O
Serious	B-Device
Sam	I-Device
Indie	O
Series	O
.	O
</s>
<s>
Following	O
the	O
release	O
,	O
Fouts	O
took	O
a	O
break	O
before	O
commencing	O
work	O
on	O
an	O
Xbox	B-Operating_System
360	I-Operating_System
port	O
in	O
December	O
2011	O
.	O
</s>
<s>
Mommy	B-Application
's	I-Application
Best	I-Application
Games	I-Application
and	O
Devolver	O
Digital	O
agreed	O
on	O
features	O
that	O
would	O
make	O
such	O
a	O
port	O
worth	O
releasing	O
,	O
which	O
Fouts	O
subsequently	O
developed	O
,	O
following	O
the	O
content	O
specifications	O
for	O
the	O
platform	O
.	O
</s>
<s>
For	O
the	O
cooperative	O
multiplayer	O
mode	O
,	O
Fouts	O
initially	O
considered	O
adding	O
a	O
"	O
Hologram	O
Sam	O
"	O
,	O
based	O
on	O
one	O
of	O
the	O
characters	O
from	O
the	O
multiplayer	O
modes	O
of	O
other	O
Serious	B-Device
Sam	I-Device
games	O
,	O
as	O
the	O
second	O
player	O
character	O
.	O
</s>
<s>
The	O
expanded	O
release	O
was	O
announced	O
in	O
May	O
2012	O
as	O
Serious	B-Application
Sam	I-Application
Double	I-Application
D	I-Application
XXL	I-Application
with	O
a	O
projected	O
release	O
later	O
that	O
year	O
.	O
</s>
<s>
The	O
certification	O
process	O
for	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
was	O
completed	O
in	O
December	O
2012	O
.	O
</s>
<s>
Devolver	O
Digital	O
released	O
the	O
game	O
through	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
on	O
February	O
20	O
,	O
2013	O
,	O
co-publishing	O
it	O
with	O
Mastertronic	O
.	O
</s>
<s>
Mommy	B-Application
's	I-Application
Best	I-Application
Games	I-Application
held	O
a	O
launch	O
event	O
titled	O
"	O
Shave	O
and	O
a	O
Haircut	O
8-Bit	O
"	O
in	O
March	O
in	O
Louisville	O
,	O
Kentucky	O
,	O
and	O
invited	O
local	O
game	O
developers	O
to	O
showcase	O
their	O
work	O
.	O
</s>
<s>
At	O
the	O
time	O
,	O
Fouts	O
stated	O
that	O
XXL	O
was	O
likely	O
to	O
arrive	O
on	O
personal	B-Device
computers	I-Device
at	O
some	O
point	O
.	O
</s>
<s>
The	O
Serious	B-Device
Sam	I-Device
Collection	O
,	O
a	O
physical	O
compilation	O
of	O
Serious	B-Device
Sam	I-Device
games	O
including	O
XXL	O
for	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
was	O
released	O
by	O
Mastertronic	O
and	O
Maximum	O
Games	O
in	O
July	O
2013	O
.	O
</s>
<s>
The	O
game	O
was	O
altered	O
to	O
run	O
directly	O
off	O
the	O
disc	B-Device
and	O
without	O
requiring	O
a	O
connection	O
to	O
the	O
Xbox	B-Application
Live	I-Application
services	O
,	O
which	O
was	O
otherwise	O
a	O
requirement	O
of	O
XNA-based	O
games	O
.	O
</s>
<s>
Fouts	O
believed	O
that	O
this	O
was	O
the	O
first	O
time	O
an	O
XNA	B-Device
game	O
had	O
been	O
distributed	O
physically	O
.	O
</s>
<s>
The	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
was	O
delisted	O
from	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
shortly	O
after	O
Mastertronic	O
filed	O
for	O
administration	O
in	O
November	O
2015	O
.	O
</s>
<s>
Serious	B-Application
Sam	I-Application
Double	I-Application
D	I-Application
received	O
"	O
mixed	O
or	O
average	O
reviews	O
"	O
,	O
according	O
to	O
the	O
review	B-Application
aggregator	I-Application
website	O
Metacritic	O
,	O
which	O
calculated	O
a	O
weighted	O
average	O
rating	O
of	O
66/100	O
for	O
the	O
original	O
version	O
and	O
one	O
of	O
68/100	O
for	O
XXL	O
.	O
</s>
<s>
Jim	O
Sterling	O
(	O
Destructoid	O
)	O
called	O
it	O
"	O
clever	O
"	O
,	O
saying	O
that	O
it	O
added	O
a	O
"	O
perfect	O
level	O
of	O
freshness	O
"	O
to	O
the	O
Serious	B-Device
Sam	I-Device
formula	O
,	O
which	O
Iain	O
Farquhar	O
(	O
Bit-Tech	O
)	O
opined	O
had	O
been	O
adapted	O
faithfully	O
.	O
</s>
<s>
Simon	O
Parkin	O
and	O
Patrick	O
Hancock	O
,	O
reviewing	O
XXL	O
for	O
Eurogamer	O
and	O
Destructoid	O
,	O
respectively	O
,	O
considered	O
Double	O
D	O
a	O
good	O
fit	O
for	O
the	O
Serious	B-Device
Sam	I-Device
series	O
,	O
although	O
Sterling	O
believed	O
that	O
it	O
would	O
have	O
limited	O
appeal	O
to	O
players	O
with	O
no	O
background	O
knowledge	O
of	O
the	O
series	O
.	O
</s>
<s>
Hancock	O
noted	O
a	O
lack	O
of	O
a	O
"	O
meaningful	O
"	O
learning	B-General_Concept
curve	I-General_Concept
.	O
</s>
<s>
Farquhar	O
experienced	O
"	O
mushy	O
and	O
unresponsive	O
"	O
controls	O
and	O
input	B-Application
lag	I-Application
in	O
Double	O
D	O
;	O
long	O
loading	O
times	O
and	O
occasional	O
frame	O
rate	O
issues	O
were	O
reported	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
of	O
XXL	O
by	O
others	O
.	O
</s>
