<s>
Mass	B-Application
Effect	I-Application
2	I-Application
is	O
an	O
action	B-Application
role-playing	I-Application
video	I-Application
game	I-Application
developed	O
by	O
BioWare	O
and	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
Xbox	B-Operating_System
360	I-Operating_System
in	O
2010	O
,	O
and	O
for	O
PlayStation	B-Operating_System
3	I-Operating_System
in	O
2011	O
.	O
</s>
<s>
The	O
game	O
features	O
a	O
variety	O
of	O
downloadable	B-Protocol
content	I-Protocol
(	O
DLC	B-Protocol
)	O
packs	O
that	O
were	O
released	O
from	O
January	O
2010	O
to	O
May	O
2011	O
.	O
</s>
<s>
The	O
downloadable	B-Protocol
content	I-Protocol
ranges	O
from	O
single	O
in-game	O
character	O
outfits	O
to	O
entirely	O
new	O
plot-related	O
missions	O
.	O
</s>
<s>
Notable	O
packs	O
include	O
Kasumi	B-Application
–	I-Application
Stolen	I-Application
Memory	I-Application
,	O
Overlord	B-Application
,	O
Lair	B-Application
of	I-Application
the	I-Application
Shadow	I-Application
Broker	I-Application
,	O
and	O
Arrival	B-Application
.	O
</s>
<s>
The	O
game	O
's	O
downloadable	B-Protocol
content	I-Protocol
was	O
generally	O
well	O
received	O
by	O
critics	O
and	O
some	O
packs	O
were	O
nominated	O
for	O
Best	O
DLC	B-Protocol
at	O
the	O
Spike	O
Video	O
Game	O
Awards	O
.	O
</s>
<s>
New	O
purchases	O
of	O
the	O
game	O
are	O
provided	O
with	O
a	O
one-time	O
use	O
card	O
granting	O
access	O
code	O
that	O
unlocks	O
the	O
game	O
's	O
Cerberus	B-Application
Network	I-Application
,	O
an	O
online	O
downloadable	B-Protocol
content	I-Protocol
and	O
news	O
service	O
that	O
enables	O
free	O
bonus	O
content	O
for	O
the	O
game	O
.	O
</s>
<s>
However	O
,	O
users	O
who	O
buy	O
the	O
game	O
used	O
have	O
to	O
pay	O
for	O
the	O
Cerberus	B-Application
Network	I-Application
separately	O
if	O
they	O
want	O
access	O
to	O
the	O
bonus	O
content	O
.	O
</s>
<s>
Some	O
downloadable	B-Protocol
content	I-Protocol
packs	O
were	O
originally	O
only	O
available	O
for	O
the	O
Microsoft	B-Application
Windows	I-Application
and	O
Xbox	B-Operating_System
360	I-Operating_System
versions	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
through	O
limited	O
promotional	O
opportunities	O
.	O
</s>
<s>
These	O
were	O
then	O
made	O
available	O
on	O
the	O
PlayStation	B-Device
Network	I-Device
when	O
the	O
game	O
was	O
released	O
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
.	O
</s>
<s>
In	O
2021	O
,	O
all	O
of	O
the	O
Mass	B-Application
Effect	I-Application
2	I-Application
downloadable	I-Application
content	I-Application
was	O
remastered	O
as	O
part	O
of	O
the	O
Mass	B-Application
Effect	I-Application
Legendary	I-Application
Edition	I-Application
.	O
</s>
<s>
Normandy	O
Crash	O
Site	O
January	O
26	O
,	O
2010	O
Requires	O
the	O
Cerberus	B-Application
Network	I-Application
.	O
</s>
<s>
Zaeed	O
–	O
The	O
Price	O
of	O
Revenge	O
January	O
28	O
,	O
2010	O
Requires	O
the	O
Cerberus	B-Application
Network	I-Application
.	O
</s>
<s>
Firewalker	O
March	O
23	O
,	O
2010	O
Requires	O
the	O
Cerberus	B-Application
Network	I-Application
.	O
</s>
<s>
Kasumi	B-Application
–	I-Application
Stolen	I-Application
Memory	I-Application
April	O
6	O
,	O
2010	O
Included	O
in	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
.	O
</s>
<s>
Overlord	B-Application
June	O
15	O
,	O
2010	O
Included	O
in	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
.	O
</s>
<s>
Concerns	O
the	O
events	O
of	O
an	O
experimental	O
virtual	B-General_Concept
intelligence	I-General_Concept
that	O
has	O
gone	O
rogue	O
.	O
</s>
<s>
Lair	B-Application
of	I-Application
the	I-Application
Shadow	I-Application
Broker	I-Application
September	O
7	O
,	O
2010	O
Included	O
in	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
.	O
</s>
<s>
Genesis	O
January	O
18	O
,	O
2011	O
Requires	O
the	O
Cerberus	B-Application
Network	I-Application
for	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
.	O
</s>
<s>
Concerns	O
major	O
events	O
of	O
the	O
original	O
Mass	B-Application
Effect	I-Application
.	O
</s>
<s>
Arrival	B-Application
March	O
29	O
,	O
2011	O
Adds	O
a	O
mission	O
and	O
other	O
items	O
.	O
</s>
<s>
Collectors	O
 '	O
Weapon	O
and	O
Armor	O
January	O
26	O
,	O
2010	O
Originally	O
included	O
in	O
the	O
Mass	B-Application
Effect	I-Application
2	I-Application
Digital	O
Deluxe	O
Edition	O
and	O
Limited	O
Collector	O
's	O
Edition	O
that	O
were	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
Xbox	B-Operating_System
360	I-Operating_System
.	O
</s>
<s>
Terminus	O
Weapon	O
and	O
Armor	O
January	O
26	O
,	O
2010	O
Originally	O
available	O
for	O
the	O
Microsoft	B-Application
Windows	I-Application
and	O
Xbox	B-Operating_System
360	I-Operating_System
versions	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
through	O
limited	O
promotional	O
opportunities	O
.	O
</s>
<s>
Blood	O
Dragon	O
Armor	O
January	O
26	O
,	O
2010	O
Originally	O
available	O
for	O
the	O
Microsoft	B-Application
Windows	I-Application
and	O
Xbox	B-Operating_System
360	I-Operating_System
versions	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
through	O
limited	O
promotional	O
opportunities	O
,	O
and	O
included	O
in	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
.	O
</s>
<s>
Recon	O
Hood	O
January	O
26	O
,	O
2010	O
Originally	O
available	O
for	O
the	O
Microsoft	B-Application
Windows	I-Application
and	O
Xbox	B-Operating_System
360	I-Operating_System
versions	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
through	O
limited	O
promotional	O
opportunities	O
.	O
</s>
<s>
Sentry	O
Interface	O
January	O
26	O
,	O
2010	O
Originally	O
available	O
for	O
the	O
Microsoft	B-Application
Windows	I-Application
and	O
Xbox	B-Operating_System
360	I-Operating_System
versions	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
through	O
limited	O
promotional	O
opportunities	O
.	O
</s>
<s>
Umbra	O
Visor	O
January	O
26	O
,	O
2010	O
Originally	O
available	O
for	O
the	O
Microsoft	B-Application
Windows	I-Application
and	O
Xbox	B-Operating_System
360	I-Operating_System
versions	O
of	O
Mass	B-Application
Effect	I-Application
2	I-Application
through	O
limited	O
promotional	O
opportunities	O
.	O
</s>
<s>
Cerberus	O
Weapon	O
and	O
Armor	O
February	O
9	O
,	O
2010	O
Requires	O
the	O
Cerberus	B-Application
Network	I-Application
.	O
</s>
<s>
Arc	O
Projector	O
March	O
9	O
,	O
2010	O
Requires	O
the	O
Cerberus	B-Application
Network	I-Application
.	O
</s>
