<s>
Hydrophobia	B-Application
is	O
an	O
action	O
adventure	O
video	O
game	O
developed	O
and	O
published	O
by	O
Dark	O
Energy	O
Digital	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
by	O
Microsoft	O
Studios	O
for	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
on	O
September	O
29	O
,	O
2010	O
,	O
as	O
part	O
of	O
Xbox	B-Operating_System
Live	O
's	O
Games	O
Feast	O
promotion	O
,	O
marking	O
the	O
first	O
of	O
three	O
episodes	O
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
was	O
released	O
on	O
November	O
1	O
,	O
2011	O
in	O
North	O
America	O
and	O
November	O
2	O
,	O
2011	O
in	O
Europe	O
.	O
</s>
<s>
The	O
levels	O
in	O
the	O
game	O
were	O
designed	O
using	O
InfiniteWorlds	O
;	O
a	O
game	B-Application
creation	I-Application
system	I-Application
which	O
uses	O
bespoke	O
procedural	O
technology	O
to	O
significantly	O
reduce	O
file	O
sizes	O
,	O
decreasing	O
the	O
overall	O
file	O
size	O
of	O
the	O
game	O
.	O
</s>
<s>
Hydrophobia	B-Application
was	O
met	O
with	O
a	O
mixed	O
reception	O
,	O
with	O
an	O
aggregate	O
score	O
of	O
59/100	O
on	O
Metacritic	O
and	O
61.43	O
%	O
at	O
GameRankings	O
.	O
</s>
<s>
Hydrophobia	B-Application
was	O
first	O
revealed	O
on	O
January	O
15	O
,	O
2007	O
.	O
</s>
<s>
On	O
September	O
30	O
,	O
2009	O
more	O
details	O
were	O
released	O
;	O
developer	O
Dark	O
Energy	O
Digital	O
revealed	O
that	O
the	O
game	O
would	O
first	O
be	O
coming	O
to	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
,	O
and	O
would	O
be	O
released	O
in	O
episodes	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
on	O
September	O
29	O
,	O
2010	O
as	O
part	O
of	O
Xbox	B-Operating_System
Live	O
's	O
Games	O
Feast	O
promotion	O
,	O
marking	O
the	O
first	O
of	O
three	O
episodes	O
.	O
</s>
<s>
PC	O
and	O
PlayStation	B-Operating_System
3	I-Operating_System
versions	O
were	O
planned	O
for	O
later	O
release	O
.	O
</s>
<s>
The	O
HydroEngine	O
is	O
a	O
video	O
game	O
engine	O
created	O
by	O
Dark	O
Energy	O
Digital	O
for	O
Hydrophobia	B-Application
.	O
</s>
<s>
After	O
its	O
release	O
,	O
Hydrophobia	B-Application
received	O
poor	O
reviews	O
from	O
some	O
media	O
outlets	O
,	O
prompting	O
contention	O
between	O
the	O
developer	O
and	O
some	O
reviewers	O
.	O
</s>
<s>
In	O
response	O
to	O
some	O
of	O
the	O
harsh	O
feedback	O
and	O
reviews	O
,	O
the	O
developers	O
revisited	O
core	O
gameplay	O
mechanics	O
and	O
issues	O
addressed	O
by	O
both	O
reviewers	O
and	O
Hydrophobias	B-Application
community	O
.	O
</s>
<s>
"	O
Once	O
we	O
had	O
analysed	O
the	O
data	O
,	O
we	O
set	O
about	O
improving	O
every	O
single	O
element	O
of	O
the	O
game	O
according	O
to	O
that	O
data	O
,	O
"	O
The	O
subsequent	O
updates	O
were	O
released	O
in	O
a	O
title	O
update	O
dubbed	O
Hydrophobia	B-Application
Pure	I-Application
on	O
December	O
21	O
,	O
2010	O
.	O
</s>
<s>
Hydrophobia	B-Application
Prophecy	I-Application
(	O
also	O
known	O
as	O
Hydrophobia	B-Application
:	I-Application
Prophecy	I-Application
on	O
Steam	B-Application
)	O
is	O
described	O
as	O
version	O
1.5	O
of	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
of	O
the	O
game	O
.	O
</s>
<s>
Hydrophobia	B-Application
Prophecy	I-Application
was	O
released	O
on	O
PlayStation	B-Operating_System
3	I-Operating_System
and	O
on	O
Microsoft	B-Application
Windows	I-Application
via	O
Steam	B-Application
.	O
</s>
<s>
Hydrophobia	B-Application
received	O
mixed	O
reviews	O
from	O
critics	O
.	O
</s>
<s>
Scores	O
varied	O
greatly	O
,	O
with	O
the	O
game	O
's	O
lowest	O
score	O
of	O
3/10	O
coming	O
from	O
Edge	O
magazine	O
,	O
and	O
is	O
highest	O
score	O
of	O
9/10	O
from	O
Official	O
Xbox	B-Operating_System
Magazine	O
.	O
</s>
<s>
Official	O
Xbox	B-Operating_System
Magazine	O
's	O
staff	O
praised	O
the	O
dynamic	O
and	O
emergent	O
gameplay	O
,	O
stating	O
"	O
the	O
more	O
you	O
experiment	O
with	O
them	O
,	O
the	O
more	O
Hydrophobia	B-Application
's	O
dynamic	O
environments	O
come	O
to	O
life	O
"	O
.	O
</s>
<s>
He	O
further	O
stated	O
that	O
"	O
without	O
the	O
dynamic	O
water	O
effects	O
,	O
Hydrophobia	B-Application
is	O
just	O
a	O
passable	O
Live	O
Arcade	O
title.	O
"	O
</s>
<s>
Review	O
scores	O
generally	O
improved	O
after	O
the	O
release	O
of	O
the	O
Hydrophobia	B-Application
Pure	I-Application
update	O
.	O
</s>
<s>
GameStyle	O
's	O
Bradley	O
Marsh	O
gave	O
the	O
Pure	O
version	O
of	O
Hydrophobia	B-Application
a	O
7/10	O
.	O
</s>
<s>
Eurogamer	O
Italy	O
's	O
Davide	O
Persiani	O
also	O
scored	O
the	O
updated	O
game	O
a	O
7/10	O
and	O
stated	O
that	O
though	O
Hydrophobia	B-Application
Pure	I-Application
was	O
not	O
"	O
an	O
absolute	O
masterpiece	O
,	O
this	O
new	O
version	O
of	O
Hydrophobia	B-Application
surely	O
deserves	O
a	O
look.	O
"	O
</s>
<s>
Hart	O
praised	O
the	O
water	O
physics	O
;	O
he	O
stated	O
that	O
they	O
"	O
pushed	O
Hydrophobia	B-Application
up	O
and	O
over	O
the	O
'	O
run	O
of	O
the	O
mill	O
 '	O
status.	O
"	O
</s>
