<s>
Book	B-Application
of	I-Application
Demons	I-Application
is	O
an	O
isometric	O
hack	B-Application
and	I-Application
slash	I-Application
action	B-Application
role-playing	I-Application
created	O
by	O
Polish	O
studio	O
Thing	O
Trunk	O
.	O
</s>
<s>
The	O
game	O
was	O
officially	O
released	O
through	O
Steam	B-Application
on	O
13	O
December	O
2018	O
.	O
</s>
<s>
The	O
game	O
was	O
originally	O
developed	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
but	O
the	O
developers	O
informed	O
about	O
plans	O
to	O
release	O
it	O
also	O
on	O
Xbox	B-Device
One	I-Device
.	O
</s>
<s>
Book	B-Application
of	I-Application
Demons	I-Application
is	O
the	O
first	O
installment	O
of	O
the	O
Return	O
2	O
Games	O
series	O
that	O
aims	O
to	O
bring	O
classic	O
hardcore	O
genres	O
to	O
broader	O
audiences	O
.	O
</s>
<s>
The	O
game	O
features	O
an	O
unusual	O
art	O
style	O
-	O
all	O
elements	O
of	O
the	O
game	O
(	O
starting	O
from	O
the	O
GUI	B-Application
and	O
ending	O
with	O
monsters	O
)	O
are	O
visualised	O
as	O
papercuttings	O
and	O
pop-up	O
book	O
elements	O
,	O
and	O
such	O
style	O
defines	O
visual	O
framework	O
for	O
the	O
whole	O
series	O
.	O
</s>
<s>
The	O
world	O
created	O
in	O
the	O
game	O
relates	O
to	O
the	O
classics	O
of	O
hack	B-Application
and	I-Application
slash	I-Application
genre	O
.	O
</s>
<s>
In	O
Book	B-Application
of	I-Application
Demons	I-Application
players	O
can	O
choose	O
from	O
three	O
classes	O
,	O
each	O
characterized	O
by	O
a	O
different	O
playstyle	O
and	O
set	O
of	O
class	O
cards	O
.	O
</s>
<s>
The	O
card	O
system	O
is	O
a	O
uniquely	O
implemented	O
mechanic	O
in	O
the	O
hack	B-Application
and	I-Application
slash	I-Application
genre	O
.	O
</s>
<s>
In	O
Book	B-Application
of	I-Application
Demons	I-Application
the	O
player	O
can	O
choose	O
from	O
three	O
types	O
of	O
cards	O
and	O
then	O
build	O
their	O
own	O
hand	O
:	O
</s>
<s>
Book	B-Application
of	I-Application
Demons	I-Application
was	O
meant	O
to	O
be	O
a	O
light	O
and	O
humoristic	O
tribute	O
to	O
classic	O
games	O
from	O
the	O
hack	B-Application
and	I-Application
slash	I-Application
genre	O
made	O
in	O
the	O
'	O
90s	O
.	O
</s>
<s>
The	O
game	O
was	O
officially	O
released	O
on	O
Steam	B-Application
on	O
13	O
December	O
2018	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
on	O
Nintendo	B-Application
Switch	I-Application
on	O
30	O
April	O
2020	O
.	O
and	O
on	O
May	O
21	O
,	O
2020	O
in	O
Japan	O
.	O
</s>
<s>
GameSpot	O
reviewer	O
,	O
Rafał	O
Kurpiewski	O
(	O
Polygamia.pl	O
)	O
and	O
Szymon	O
Liebert	O
(	O
TVGry	O
)	O
admit	O
that	O
even	O
though	O
the	O
game	O
is	O
heavily	O
inspired	O
on	O
old	O
hack	B-Application
and	I-Application
slash	I-Application
games	O
there	O
is	O
still	O
a	O
lot	O
of	O
originality	O
in	O
it	O
to	O
refresh	O
the	O
genre	O
(	O
citing	O
cards	O
system	O
,	O
restriction	O
of	O
movement	O
and	O
boss	O
mechanics	O
)	O
,	O
while	O
noting	O
similarities	O
in	O
stories	O
told	O
in	O
Book	B-Application
of	I-Application
Demons	I-Application
and	O
Diablo	B-Application
games	O
.	O
</s>
