<s>
NASCAR	B-Application
Heat	I-Application
is	O
a	O
series	O
of	O
NASCAR	O
video	O
games	O
developed	O
and	O
produced	O
by	O
Monster	O
Games	O
and	O
704Games	O
,	O
who	O
has	O
held	O
the	O
license	O
to	O
publish	O
NASCAR	O
video	O
games	O
since	O
2015	O
.	O
</s>
<s>
The	O
first	O
game	O
in	O
the	O
series	O
to	O
be	O
published	O
in	O
the	O
series	O
was	O
NASCAR	B-Application
Heat	I-Application
Evolution	I-Application
,	O
and	O
the	O
latest	O
game	O
to	O
be	O
released	O
in	O
the	O
series	O
was	O
NASCAR	B-Application
Heat	I-Application
5	I-Application
.	O
</s>
<s>
In	O
May	O
2016	O
,	O
Monster	O
Games	O
announced	O
the	O
first	O
NASCAR	O
video	O
game	O
to	O
be	O
released	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
.	O
</s>
<s>
The	O
working	O
title	O
was	O
NASCAR	B-Application
Heat	I-Application
Evolution	I-Application
,	O
and	O
Dusenberry	O
Martin	O
Racing	O
was	O
named	O
a	O
co-developer	O
.	O
</s>
<s>
A	O
sequel	O
,	O
NASCAR	B-Application
Heat	I-Application
2	I-Application
,	O
was	O
released	O
on	O
September	O
12	O
,	O
2017	O
,	O
and	O
included	O
the	O
Xfinity	O
Series	O
and	O
Camping	O
World	O
Truck	O
Series	O
in	O
addition	O
to	O
the	O
Cup	O
Series	O
,	O
which	O
NHE	O
exclusively	O
featured	O
.	O
</s>
<s>
NASCAR	B-Application
Heat	I-Application
3	I-Application
was	O
released	O
on	O
September	O
7	O
,	O
2018	O
,	O
and	O
featured	O
the	O
fictional	O
Xtreme	O
Dirt	O
Tour	O
.	O
</s>
<s>
On	O
September	O
14	O
,	O
2019	O
,	O
NASCAR	B-Application
Heat	I-Application
4	I-Application
was	O
released	O
.	O
</s>
<s>
For	O
NASCAR	B-Application
Heat	I-Application
5	I-Application
,	O
704Games	O
replaced	O
Monster	O
as	O
developer	O
and	O
brought	O
on	O
Motorsport	O
Games	O
as	O
publisher	O
.	O
</s>
<s>
In	O
July	O
2021	O
,	O
Motorsport	O
Games	O
confirmed	O
that	O
they	O
would	O
be	O
discontinuing	O
the	O
NASCAR	B-Application
Heat	I-Application
branding	O
,	O
it	O
will	O
be	O
using	O
the	O
rFactor	O
2	O
physics	O
engine	O
and	O
the	O
Unreal	B-Operating_System
graphics	I-Operating_System
engine	I-Operating_System
for	O
the	O
upcoming	O
official	O
NASCAR	O
game	O
.	O
</s>
<s>
The	O
game	O
's	O
name	O
was	O
later	O
unveiled	O
as	O
NASCAR	B-Application
21	I-Application
:	I-Application
Ignition	I-Application
,	O
and	O
is	O
set	O
to	O
be	O
released	O
in	O
October	O
26	O
and	O
28	O
.	O
</s>
<s>
A	O
standalone	O
mobile	O
game	O
,	O
NASCAR	B-Application
Heat	I-Application
Mobile	O
,	O
was	O
released	O
on	O
April	O
25	O
,	O
2017	O
.	O
</s>
<s>
They	O
also	O
dynamic	O
artificial	B-Application
intelligence	I-Application
.	I-Application
</s>
<s>
Between	O
Heat	O
3	O
and	O
Heat	O
4	O
,	O
the	O
developers	O
redid	O
physics	O
at	O
a	O
number	O
of	O
tracks	O
,	O
and	O
also	O
revamped	O
the	O
game	O
's	O
artificial	B-Application
intelligence	I-Application
.	I-Application
</s>
