<s>
The	O
game	O
is	O
a	O
part	O
of	O
the	O
Trails	O
series	O
,	O
itself	O
a	O
part	O
of	O
the	O
larger	O
The	O
Legend	O
of	O
Heroes	O
series	O
,	O
and	O
is	O
the	O
sequel	O
to	O
Trails	B-Application
of	I-Application
Cold	I-Application
Steel	I-Application
III	I-Application
and	O
the	O
final	O
entry	O
of	O
the	O
Trails	O
of	O
Cold	O
Steel	O
arc	O
.	O
</s>
<s>
Trails	B-Application
of	I-Application
Cold	I-Application
Steel	I-Application
IV	I-Application
was	O
released	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
in	O
Japan	O
in	O
September	O
2018	O
and	O
worldwide	O
in	O
October	O
2020	O
,	O
with	O
ports	O
for	O
Nintendo	B-Application
Switch	I-Application
,	O
Windows	O
and	O
Stadia	B-Application
released	O
in	O
April	O
2021	O
.	O
</s>
<s>
A	O
sequel	O
,	O
The	B-Application
Legend	I-Application
of	I-Application
Heroes	I-Application
:	I-Application
Trails	I-Application
into	I-Application
Reverie	I-Application
,	O
was	O
released	O
in	O
2020	O
.	O
</s>
<s>
The	O
gameplay	O
of	O
Trails	B-Application
of	I-Application
Cold	I-Application
Steel	I-Application
IV	I-Application
is	O
similar	O
to	O
previous	O
Trails	O
games	O
,	O
being	O
a	O
turn-based	O
Japanese	O
role-playing	O
video	O
game	O
.	O
</s>
<s>
Gameplay	O
is	O
based	O
on	O
that	O
of	O
Trails	B-Application
of	I-Application
Cold	I-Application
Steel	I-Application
III	I-Application
,	O
with	O
many	O
features	O
returning	O
.	O
</s>
<s>
Mini-games	O
include	O
blackjack	B-Application
,	O
poker	O
,	O
and	O
other	O
puzzle	O
games	O
.	O
</s>
<s>
The	O
game	O
is	O
set	O
two	O
weeks	O
after	O
the	O
conclusion	O
of	O
Trails	B-Application
of	I-Application
Cold	I-Application
Steel	I-Application
III	I-Application
.	O
</s>
<s>
Plans	O
for	O
a	O
fourth	O
Trails	O
of	O
Cold	O
Steel	O
game	O
were	O
revealed	O
in	O
an	O
interview	O
with	O
Nihon	O
Falcom	O
president	O
Toshihiro	O
Kondo	O
in	O
November	O
2017	O
,	O
where	O
he	O
stated	O
that	O
Trails	B-Application
of	I-Application
Cold	I-Application
Steel	I-Application
III	I-Application
was	O
originally	O
intended	O
to	O
conclude	O
the	O
story	O
arc	O
but	O
Falcom	O
found	O
it	O
difficult	O
to	O
satisfactorily	O
wrap	O
up	O
the	O
story	O
without	O
a	O
fourth	O
entry	O
.	O
</s>
<s>
Like	O
the	O
previous	O
Trails	O
of	O
Cold	O
Steel	O
entries	O
,	O
it	O
was	O
developed	O
using	O
the	O
PhyreEngine	B-General_Concept
game	O
engine	O
.	O
</s>
<s>
The	O
Nintendo	B-Application
Switch	I-Application
version	O
was	O
ported	O
by	O
Engine	O
Software	O
and	O
the	O
Windows	O
version	O
by	O
PH3	O
Games	O
.	O
</s>
<s>
The	O
Japanese	O
release	O
was	O
initially	O
scheduled	O
for	O
late	O
2018	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
.	O
</s>
<s>
It	O
was	O
released	O
in	O
Japan	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
on	O
September	O
27	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
in	O
North	O
America	O
and	O
Europe	O
on	O
October	O
27	O
,	O
2020	O
,	O
and	O
November	O
6	O
in	O
Australia	O
and	O
New	O
Zealand	O
.	O
</s>
<s>
A	O
port	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
was	O
released	O
in	O
Japan	O
on	O
March	O
18	O
,	O
2021	O
,	O
April	O
9	O
in	O
North	O
America	O
and	O
Europe	O
,	O
and	O
April	O
16	O
in	O
Oceania	O
.	O
</s>
<s>
Windows	O
and	O
Stadia	B-Application
versions	O
were	O
released	O
worldwide	O
on	O
April	O
9	O
,	O
2021	O
.	O
</s>
<s>
The	B-Application
Legend	I-Application
of	I-Application
Heroes	I-Application
:	I-Application
Trails	I-Application
of	I-Application
Cold	I-Application
Steel	I-Application
IV	I-Application
received	O
"	O
generally	O
favorable	O
"	O
reviews	O
according	O
to	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
