<s>
Portal	B-Application
Knights	I-Application
is	O
an	O
independent	O
survival	B-Application
action	B-Application
role-playing	I-Application
video	I-Application
game	I-Application
developed	O
by	O
Keen	O
Games	O
and	O
published	O
by	O
505	O
Games	O
.	O
</s>
<s>
It	O
was	O
first	O
released	O
on	O
Steam	B-Application
on	O
18	O
May	O
2017	O
and	O
subsequently	O
released	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
Xbox	B-Device
One	I-Device
,	O
Nintendo	B-Application
Switch	I-Application
,	O
Android	B-Application
,	O
and	O
iOS	B-Application
.	O
</s>
<s>
Portal	B-Application
Knights	I-Application
was	O
first	O
announced	O
by	O
publisher	O
505	O
Games	O
on	O
4	O
February	O
2016	O
.	O
</s>
<s>
It	O
was	O
released	O
into	O
Steam	B-Application
Early	O
Access	O
on	O
25	O
February	O
2016	O
.	O
</s>
<s>
The	O
game	O
left	O
Early	O
Access	O
on	O
18	O
May	O
2017	O
and	O
was	O
also	O
released	O
for	O
PlayStation	B-Operating_System
4	I-Operating_System
and	O
Xbox	B-Device
One	I-Device
on	O
the	O
same	O
day	O
.	O
</s>
<s>
It	O
was	O
later	O
released	O
on	O
the	O
Nintendo	B-Application
Switch	I-Application
eShop	B-Application
on	O
23	O
November	O
2017	O
,	O
and	O
then	O
through	O
retail	O
on	O
13	O
February	O
2018	O
.	O
</s>
<s>
The	O
game	O
's	O
first	O
mobile	O
release	O
took	O
place	O
on	O
6	O
December	O
2017	O
,	O
when	O
it	O
was	O
released	O
for	O
both	O
Android	B-Application
and	O
iOS	B-Application
.	O
</s>
<s>
In	O
January	O
2019	O
,	O
the	O
game	O
was	O
featured	O
as	O
one	O
of	O
the	O
free	O
PlayStation	B-Operating_System
4	I-Operating_System
games	O
for	O
PlayStation	O
Plus	O
subscribers	O
.	O
</s>
<s>
Portal	B-Application
Knights	I-Application
combines	O
exploration	O
and	O
building	O
elements	O
with	O
role-playing	O
aspects	O
.	O
</s>
<s>
It	O
shares	O
many	O
similarities	O
with	O
the	O
game	O
Minecraft	B-Application
,	O
both	O
graphically	O
and	O
with	O
the	O
crafting	O
and	O
construction	O
element	O
.	O
</s>
<s>
The	O
art	O
style	O
of	O
the	O
game	O
was	O
inspired	O
by	O
JRPG	O
games	O
such	O
as	O
the	B-Application
Legend	I-Application
of	I-Application
Zelda	I-Application
series	O
.	O
</s>
<s>
Portal	B-Application
Knights	I-Application
received	O
"	O
mixed	O
or	O
average	O
"	O
reviews	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
Nintendo	B-Application
Switch	I-Application
,	O
and	O
"	O
generally	O
favorable	O
"	O
reviews	O
for	O
Xbox	B-Device
One	I-Device
.	O
</s>
<s>
Brandon	O
Marlow	O
of	O
Push	O
Square	O
praised	O
Portal	B-Application
Knights	I-Application
 '	O
crafting	O
mechanics	O
,	O
combat	O
,	O
and	O
boss	O
battles	O
but	O
deemed	O
the	O
stats	O
system	O
and	O
reliance	O
on	O
RNG	O
as	O
the	O
game	O
's	O
hindrances	O
.	O
</s>
<s>
In	O
December	O
2016	O
,	O
Deutscher	O
Entwicklerpreis	O
Awards	O
2016	O
selected	O
Portal	B-Application
Knights	I-Application
as	O
their	O
choice	O
for	O
"	O
Best	O
Online	O
Game	O
2016	O
"	O
.	O
</s>
<s>
In	O
December	O
2017	O
,	O
Portal	B-Application
Knights	I-Application
received	O
the	O
"	O
Game	O
of	O
the	O
Week	O
"	O
award	O
from	O
TouchArcade	O
.	O
</s>
