<s>
Selected	O
games	O
on	O
Sony	O
's	O
PlayStation	B-Device
2	I-Device
video	B-Device
game	I-Device
console	I-Device
offer	O
online	B-Application
gaming	I-Application
or	O
other	O
online	O
capabilities	O
.	O
</s>
<s>
Games	O
that	O
enable	O
the	O
feature	O
provide	O
free	O
online	B-Application
play	I-Application
through	O
the	O
use	O
of	O
a	O
broadband	O
internet	O
connection	O
and	O
a	O
PlayStation	B-Device
2	I-Device
Network	I-Device
Adaptor	O
.	O
</s>
<s>
Since	O
the	O
service	O
has	O
no	O
official	O
name	O
,	O
it	O
is	O
sometimes	O
referred	O
as	O
either	O
PS2	B-Device
Network	I-Device
Play	I-Device
,	O
PS2	B-Device
Network	I-Device
Gaming	O
or	O
PS2	B-Device
Online	I-Device
.	O
</s>
<s>
Some	O
games	O
also	O
allowed	O
online	O
gameplay	O
using	O
a	O
dial-up	O
connection	O
(	O
not	O
available	O
on	O
all	O
models	O
)	O
,	O
or	O
LAN	B-General_Concept
play	O
by	O
connecting	O
two	O
network	O
adapters/slimline	O
consoles	O
together	O
directly	O
with	O
an	O
Ethernet	O
cable	O
or	O
through	O
the	O
same	O
router	O
network	O
.	O
</s>
<s>
Instead	O
of	O
having	O
a	O
unified	O
online	O
service	O
like	O
SegaNet	O
or	O
Xbox	B-Application
Live	I-Application
,	O
online	O
multiplayer	O
on	O
the	O
PS2	B-Device
was	O
the	O
responsibility	O
of	O
the	O
game	O
publisher	O
and	O
was	O
run	O
on	O
third-party	O
servers	O
.	O
</s>
<s>
However	O
,	O
later	O
PS2	B-Device
online	I-Device
games	O
required	O
the	O
console	O
to	O
be	O
authorized	O
through	O
Sony	O
's	O
Dynamic	B-Application
Network	I-Application
Authentication	I-Application
System	I-Application
(	O
DNAS	B-Application
)	O
before	O
connecting	O
to	O
the	O
server	O
.	O
</s>
<s>
Most	O
recent	O
PS2	B-Device
online	I-Device
games	O
have	O
been	O
developed	O
to	O
exclusively	O
support	O
broadband	O
internet	O
access	O
.	O
</s>
<s>
The	O
last	O
official	O
online	O
server	O
,	O
which	O
was	O
for	O
Final	B-Protocol
Fantasy	I-Protocol
XI	I-Protocol
,	O
was	O
ultimately	O
shut	O
down	O
on	O
March	O
31	O
,	O
2016	O
,	O
with	O
the	O
DNAS	B-Application
following	O
it	O
a	O
couple	O
of	O
days	O
later	O
on	O
April	O
4	O
,	O
indirectly	O
shutting	O
down	O
several	O
remaining	O
unofficial	O
servers	O
,	O
with	O
the	O
exception	O
of	O
ones	O
that	O
support	O
non-DNAS	O
PS2	B-Device
titles	O
such	O
as	O
Tribes	B-Device
:	I-Device
Aerial	I-Device
Assault	I-Device
and	O
Tony	B-Application
Hawk	I-Application
's	I-Application
Pro	I-Application
Skater	I-Application
3	I-Application
.	O
</s>
<s>
Despite	O
the	O
DNAS	B-Application
shutdown	O
,	O
several	O
fan	O
created	O
servers	O
still	O
exist	O
;	O
most	O
require	O
a	O
DNAS	B-Application
workaround	O
to	O
connect	O
,	O
with	O
some	O
exceptions	O
such	O
as	O
Call	B-Application
of	I-Application
Duty	I-Application
3	I-Application
and	O
Need	B-Application
For	I-Application
Speed	I-Application
:	I-Application
Underground	I-Application
.	O
</s>
<s>
For	O
the	O
original	O
models	O
(	O
non-Slim	O
)	O
of	O
the	O
PlayStation	B-Device
2	I-Device
console	O
,	O
a	O
network	O
adapter	O
was	O
needed	O
to	O
play	O
online	O
and	O
use	O
a	O
hard	O
drive	O
.	O
</s>
<s>
Playing	O
online	B-Application
games	I-Application
requires	O
that	O
users	O
set	O
up	O
the	O
system	O
's	O
network	O
connection	O
configuration	O
,	O
which	O
is	O
saved	O
to	O
a	O
memory	O
card	O
.	O
</s>
<s>
This	O
can	O
be	O
done	O
with	O
the	O
Network	O
Startup	O
Disk	O
that	O
came	O
with	O
the	O
network	O
adapter	O
or	O
using	O
one	O
of	O
the	O
many	O
games	O
that	O
had	O
the	O
utility	O
built	O
into	O
them	O
,	O
such	O
as	O
Resident	B-Application
Evil	I-Application
Outbreak	I-Application
,	O
to	O
set	O
up	O
the	O
network	O
settings	O
.	O
</s>
<s>
The	O
new	O
slimline	O
PlayStation	B-Device
2	I-Device
came	O
with	O
a	O
disk	O
in	O
the	O
box	O
by	O
default	O
.	O
</s>
<s>
Released	O
in	O
2001	O
Capcom	B-Application
vs.	I-Application
SNK	I-Application
2	I-Application
was	O
the	O
first	O
ever	O
video	O
game	O
to	O
offer	O
cross-platform	B-Application
play	I-Application
between	O
two	O
competing	O
video	B-Device
game	I-Device
consoles	I-Device
,	O
followed	O
in	O
2002	O
by	O
Final	B-Protocol
Fantasy	I-Protocol
XI	I-Protocol
which	O
allowed	O
connections	O
between	O
the	O
Playstation	B-Device
2	I-Device
and	O
personal	O
computers	O
.	O
</s>
<s>
SOCOM	B-Application
U.S.	I-Application
Navy	I-Application
SEALs	I-Application
,	O
released	O
in	O
August	O
of	O
the	O
same	O
year	O
,	O
was	O
one	O
of	O
the	O
first	O
video	O
games	O
that	O
allowed	O
voice	O
chat	O
on	O
a	O
console	O
.	O
</s>
<s>
PAL	O
games	O
that	O
supported	O
online	B-Application
gaming	I-Application
display	O
a	O
WITH	O
NET	O
PLAY	O
logo	O
on	O
their	O
cover	O
.	O
</s>
<s>
However	O
,	O
computer	O
programs	O
such	O
as	O
XBSlink	O
,	O
SVDL	O
and	O
XLink	B-Protocol
Kai	I-Protocol
allow	O
users	O
to	O
achieve	O
online	B-Application
play	I-Application
for	O
some	O
PS2	B-Device
games	O
by	O
using	O
a	O
network	O
configuration	O
that	O
simulates	O
a	O
worldwide	O
LAN	B-General_Concept
.	O
</s>
