<s>
The	B-Application
Precursors	I-Application
is	O
a	O
video	O
game	O
from	O
Ukrainian	O
developer	O
Deep	O
Shadows	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
the	O
4	O
December	O
2009	O
as	O
retail	O
for	O
the	O
PC	B-Device
in	O
Russia	O
.	O
</s>
<s>
The	B-Application
Precursors	I-Application
has	O
been	O
in	O
development	O
for	O
PC	B-Device
and	O
Xbox	B-Operating_System
360	I-Operating_System
from	O
Kyiv-based	O
developer	O
Deep	O
Shadows	O
;	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
was	O
later	O
cancelled	O
.	O
</s>
<s>
The	O
game	O
was	O
built	O
based	O
on	O
Deep	O
Shadows	O
in-house	O
game	O
engine	O
Vital	O
Engine	O
3	O
which	O
also	O
powers	O
White	B-Application
Gold	I-Application
:	I-Application
War	I-Application
in	I-Application
Paradise	I-Application
.	O
</s>
<s>
The	B-Application
Precursors	I-Application
was	O
released	O
on	O
the	O
4	O
December	O
2009	O
as	O
retail	O
for	O
the	O
PC	B-Device
in	O
Russia	O
.	O
</s>
<s>
On	O
February	O
4	O
,	O
2017	O
a	O
Steam	B-Application
re-release	O
followed	O
.	O
</s>
<s>
After	O
the	O
end	O
of	O
official	O
support	O
by	O
Deep	O
Shadows	O
,	O
remaining	O
bugs	B-Error_Name
and	O
issues	O
,	O
like	O
the	O
missing	O
voice	O
overs	O
in	O
the	O
localized	O
English	O
version	O
,	O
were	O
fixed	O
by	O
the	O
game	B-Architecture
community	I-Architecture
via	O
unofficial	O
patches	O
which	O
also	O
form	O
the	O
base	O
of	O
and	O
are	O
included	O
in	O
the	O
current	O
English	O
digital	O
distribution	O
versions	O
of	O
the	O
game	O
.	O
</s>
