<s>
Mercenary	B-Application
Kings	I-Application
is	O
a	O
side-scrolling	O
run	O
and	O
gun	O
video	O
game	O
developed	O
and	O
published	O
by	O
Tribute	O
Games	O
.	O
</s>
<s>
It	O
was	O
funded	O
by	O
Kickstarter	O
and	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
on	O
March	O
25	O
,	O
2014	O
,	O
and	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
on	O
April	O
1	O
,	O
2014	O
.	O
</s>
<s>
Alongside	O
the	O
Mercenary	B-Application
Kings	I-Application
:	I-Application
Reloaded	I-Application
update	O
,	O
versions	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
,	O
Xbox	B-Device
One	I-Device
,	O
and	O
PlayStation	B-Device
Vita	I-Device
were	O
released	O
on	O
February	O
6	O
,	O
2018	O
.	O
</s>
<s>
An	O
early-access	O
version	O
of	O
the	O
game	O
was	O
released	O
on	O
Steam	B-Application
on	O
July	O
23	O
,	O
2013	O
.	O
</s>
<s>
Mercenary	B-Application
Kings	I-Application
is	O
a	O
side-scrolling	O
run	O
and	O
gun	O
video	O
game	O
similar	O
to	O
games	O
like	O
SNK	O
's	O
Metal	B-Application
Slug	I-Application
series	O
.	O
</s>
<s>
Mercenary	B-Application
Kings	I-Application
offers	O
up	O
to	O
four	O
player	O
co-op	O
with	O
online	O
or	O
local	O
split	O
screen	O
play	O
.	O
</s>
<s>
Missions	O
are	O
structured	O
akin	O
to	O
the	O
Monster	B-Application
Hunter	I-Application
series	O
with	O
levels	O
accessed	O
one	O
at	O
a	O
time	O
from	O
a	O
central	O
hub	O
area	O
.	O
</s>
<s>
Tribute	O
Games	O
,	O
formed	O
from	O
the	O
team	O
who	O
previously	O
worked	O
on	O
Scott	B-Application
Pilgrim	I-Application
vs.	I-Application
the	I-Application
World	I-Application
:	I-Application
The	I-Application
Game	I-Application
,	O
including	O
animator	O
Paul	O
Robertson	O
,	O
launched	O
a	O
Kickstarter	O
campaign	O
to	O
fund	O
production	O
of	O
Mercenary	B-Application
Kings	I-Application
.	O
</s>
<s>
At	O
E3	O
2013	O
,	O
Sony	O
announced	O
at	O
their	O
press	O
conference	O
that	O
the	O
game	O
would	O
receive	O
a	O
console	O
release	O
on	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
.	O
</s>
<s>
On	O
July	O
23	O
,	O
2013	O
,	O
an	O
early-access	O
version	O
of	O
the	O
game	O
,	O
containing	O
60	O
of	O
the	O
final	O
game	O
's	O
100	O
missions	O
,	O
was	O
released	O
on	O
Steam	B-Application
.	O
</s>
<s>
A	O
PlayStation	B-Device
Vita	I-Device
version	O
of	O
the	O
game	O
includes	O
cross-buy	O
and	O
other	O
cross-features	O
.	O
</s>
<s>
Mercenary	B-Application
Kings	I-Application
received	O
mixed	O
reviews	O
upon	O
release	O
,	O
with	O
score	O
of	O
70	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
76	O
for	O
PC	O
version	O
respectively	O
by	O
the	O
aggregation	O
website	O
Metacritic	O
.	O
</s>
