<s>
Ether	B-Application
One	I-Application
is	O
a	O
first-person	O
adventure	O
game	O
developed	O
by	O
British	O
independent	O
company	O
White	O
Paper	O
Games	O
.	O
</s>
<s>
It	O
was	O
the	O
studio	O
's	O
debut	O
game	O
and	O
was	O
originally	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
on	O
25	O
March	O
2014	O
.	O
</s>
<s>
A	O
PlayStation	B-Operating_System
4	I-Operating_System
edition	O
was	O
released	O
on	O
5	O
May	O
2015	O
.	O
</s>
<s>
In	O
Ether	B-Application
One	I-Application
,	O
the	O
player	O
assumes	O
the	O
role	O
of	O
a	O
"	O
Restorer	O
"	O
,	O
whose	O
job	O
is	O
to	O
investigate	O
the	O
thoughts	O
of	O
Jean	O
Thompson	O
,	O
a	O
69-year-old	O
woman	O
diagnosed	O
with	O
dementia	O
.	O
</s>
<s>
Ether	B-Application
One	I-Application
took	O
around	O
three	O
years	O
to	O
complete	O
and	O
was	O
released	O
to	O
positive	O
critical	O
reception	O
,	O
particularly	O
for	O
its	O
atmosphere	O
and	O
immersive	O
themes	O
,	O
while	O
its	O
narrative	O
divided	O
critics	O
.	O
</s>
<s>
Ether	B-Application
One	I-Application
is	O
a	O
first-person	O
exploration	O
game	O
with	O
optional	O
puzzle	O
solving	O
.	O
</s>
<s>
Ether	B-Application
One	I-Application
was	O
influenced	O
by	O
the	O
studio	O
's	O
desire	O
for	O
"	O
rich	O
,	O
narrative	O
experiences	O
"	O
and	O
game	O
designer	O
Pete	O
Bottomley	O
's	O
goal	O
to	O
tell	O
a	O
story	O
that	O
he	O
"	O
could	O
invest	O
 [ himself ] 	O
in	O
"	O
.	O
</s>
<s>
Ether	B-Application
One	I-Application
is	O
the	O
studio	O
's	O
first	O
game	O
,	O
and	O
took	O
around	O
three	O
years	O
to	O
create	O
.	O
</s>
<s>
The	O
development	O
team	O
,	O
during	O
promotion	O
for	O
their	O
next	O
game	O
The	B-Application
Occupation	I-Application
,	O
stated	O
that	O
they	O
"	O
learnt	O
a	O
lot	O
"	O
from	O
the	O
production	O
of	O
Ether	B-Application
One	I-Application
.	O
</s>
<s>
A	O
Mac	B-Device
version	O
of	O
the	O
game	O
was	O
planned	O
,	O
but	O
shelved	O
due	O
to	O
performance	O
issues	O
.	O
</s>
<s>
On	O
14	O
August	O
2014	O
,	O
White	O
Paper	O
Games	O
announced	O
a	O
PlayStation	B-Operating_System
4	I-Operating_System
edition	O
of	O
Ether	B-Application
One	I-Application
.	O
</s>
<s>
The	O
company	O
also	O
announced	O
that	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
edition	O
would	O
be	O
rebuilt	O
from	O
scratch	O
in	O
Unreal	O
Engine	O
4	O
.	O
</s>
<s>
Bottomley	O
ruled	O
out	O
a	O
possible	O
Xbox	B-Device
One	I-Device
port	O
,	O
saying	O
:	O
</s>
<s>
Apostol	O
was	O
confident	O
that	O
those	O
that	O
had	O
played	O
the	O
PC	O
version	O
would	O
"	O
love	O
it	O
on	O
PS4	B-Operating_System
just	O
the	O
same	O
"	O
.	O
</s>
<s>
In	O
October	O
2015	O
,	O
White	O
Paper	O
Games	O
released	O
Ether	B-Application
One	I-Application
Redux	O
for	O
free	O
to	O
all	O
users	O
that	O
had	O
previously	O
purchased	O
Ether	B-Application
One	I-Application
on	O
Steam	B-Application
.	O
</s>
<s>
The	O
update	O
featured	O
little	O
gameplay	O
and	O
narrative	O
changes	O
,	O
but	O
updated	O
the	O
gameplay	O
engine	O
to	O
Unreal	O
Engine	O
4	O
for	O
added	O
graphical	O
fidelity	O
and	O
parity	O
with	O
the	B-Operating_System
PlayStation	I-Operating_System
4	I-Operating_System
port	O
.	O
</s>
<s>
Ether	B-Application
One	I-Application
received	O
positive	O
reviews	O
from	O
critics	O
.	O
</s>
<s>
Aggregating	O
review	O
website	O
GameRankings	O
gave	O
the	O
PC	O
and	O
PS4	B-Operating_System
versions	O
82%	O
and	O
72%	O
respectively	O
,	O
while	O
Metacritic	O
gave	O
the	O
PC	O
and	O
PS4	B-Operating_System
versions	O
82/100	O
and	O
75/100	O
respectively	O
.	O
</s>
<s>
Kotaku	O
called	O
Ether	B-Application
One	I-Application
"	O
very	O
much	O
a	O
'	O
90s	O
adventure	O
game	O
"	O
.	O
</s>
<s>
While	O
exploratory	O
and	O
firearm	O
free	O
,	O
Ether	B-Application
One	I-Application
is	O
n't	O
exactly	O
in	O
line	O
with	O
The	B-Application
Stanley	I-Application
Parable	I-Application
or	O
Gone	B-Application
Home	I-Application
.	O
</s>
<s>
Several	O
reviewers	O
favourably	O
compared	O
the	O
game	O
to	O
1993	O
puzzle	O
game	O
Myst	B-Application
.	O
</s>
<s>
PC	O
Gamer	O
's	O
Morrison	O
said	O
that	O
Ether	B-Application
One	I-Application
's	O
challenges	O
were	O
less	O
challenging	O
than	O
Myst	B-Application
's	O
,	O
saying	O
that	O
"[...]	O
when	O
Ether	B-Application
One	I-Application
has	O
you	O
stumped	O
,	O
you	O
're	O
missing	O
the	O
obvious	O
.	O
</s>
<s>
Game	O
Revolution	O
's	O
review	O
stated	O
that	O
Ether	B-Application
One	I-Application
was	O
closer	O
to	O
Myst	B-Application
in	O
style	O
and	O
execution	O
than	O
any	O
other	O
game	O
.	O
</s>
<s>
Ether	B-Application
One	I-Application
has	O
been	O
praised	O
for	O
its	O
portrayal	O
of	O
dementia	O
.	O
</s>
