<s>
2	O
,	O
is	O
an	O
action	B-Application
hack	B-Application
and	I-Application
slash	I-Application
video	I-Application
game	I-Application
based	O
on	O
Hajime	O
Isayama	O
's	O
manga	O
series	O
of	B-Application
the	I-Application
same	I-Application
name	I-Application
released	O
for	O
Nintendo	B-Application
Switch	I-Application
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
PlayStation	B-Device
Vita	I-Device
,	O
Windows	O
,	O
Xbox	B-Device
One	I-Device
,	O
and	O
Stadia	B-Application
.	O
</s>
<s>
The	O
game	O
covers	O
the	O
plot	O
of	O
the	O
first	O
50	O
chapters	O
of	O
Attack	B-Application
on	I-Application
Titan	I-Application
(	O
also	O
covered	O
by	O
the	O
first	O
two	O
seasons	O
of	O
the	O
anime	O
adaptation	O
)	O
,	O
allowing	O
the	O
player	O
to	O
create	O
an	O
original	O
character	O
and	O
interact	O
with	O
the	O
characters	O
of	O
the	O
manga	O
.	O
</s>
<s>
Key	O
new	O
features	O
over	O
the	O
first	B-Application
title	I-Application
include	O
a	O
story-mode	O
that	O
's	O
entirely	O
playable	O
in	O
co-op	O
,	O
as	O
well	O
as	O
a	O
character	O
creator	O
.	O
</s>
<s>
Developed	O
by	O
Omega	O
Force	O
and	O
published	O
by	O
Koei	O
Tecmo	O
,	O
development	O
launched	O
shortly	O
after	O
completion	O
of	O
the	O
first	B-Application
title	I-Application
.	O
</s>
<s>
In	O
an	O
interview	O
with	O
Polygon	O
,	O
producer	O
Hisashi	O
Koinuma	O
and	O
Omega	O
Force	O
CEO	O
Hideo	O
Suzuki	O
mentioned	O
that	O
a	O
key	O
focus	O
was	O
on	O
making	O
the	O
AI	O
more	O
intelligent	O
,	O
as	O
well	O
as	O
making	O
the	O
game	O
more	O
difficult	O
in	O
comparison	O
to	O
the	O
first	B-Application
title	I-Application
.	O
</s>
<s>
Attack	B-Application
on	I-Application
Titan	I-Application
2	I-Application
sold	O
28,480	O
copies	O
on	O
PlayStation	B-Operating_System
4	I-Operating_System
within	O
its	O
first	O
week	O
on	O
sale	O
in	O
Japan	O
,	O
which	O
placed	O
it	O
at	O
number	O
three	O
on	O
the	O
all	O
format	O
sales	O
chart	O
.	O
</s>
<s>
The	O
Nintendo	B-Application
Switch	I-Application
version	O
sold	O
22,941	O
in	O
the	O
same	O
week	O
,	O
whilst	O
the	O
PlayStation	B-Device
Vita	I-Device
version	O
sold	O
15,621	O
copies	O
.	O
</s>
