<s>
Core	B-Application
Decay	I-Application
is	O
an	O
upcoming	O
indie	O
first-person	O
action	B-Application
role-playing	I-Application
video	I-Application
game	I-Application
developed	O
by	O
Ivar	O
Hill	O
and	O
Slipgate	O
Ironworks	O
,	O
and	O
published	O
by	O
3D	O
Realms	O
.	O
</s>
<s>
Described	O
as	O
a	O
"	O
philosophical	O
sci-fi	O
adventure	O
"	O
,	O
the	O
game	O
takes	O
inspiration	O
from	O
classic	O
1990s	O
shooters	O
Descent	B-Application
,	O
Deus	B-Application
Ex	I-Application
and	O
System	B-Application
Shock	I-Application
.	O
</s>
<s>
Core	B-Application
Decay	I-Application
is	O
an	O
"	O
atmospheric	O
immersive	O
sim	O
"	O
,	O
and	O
a	O
"	O
retro	O
shooter	O
"	O
.	O
</s>
<s>
Ivar	O
Hill	O
created	O
Core	B-Application
Decay	I-Application
as	O
a	O
personal	O
side	O
project	O
while	O
working	O
as	O
a	O
professional	O
game	O
developer	O
.	O
</s>
<s>
He	O
cites	O
his	O
own	O
love	O
of	O
games	O
like	O
Descent	B-Application
and	O
Deus	B-Application
Ex	I-Application
as	O
inspiration	O
for	O
what	O
he	O
wanted	O
to	O
make	O
.	O
</s>
<s>
Hill	O
selected	O
Unity	B-Application
as	O
the	O
game	O
engine	O
mainly	O
due	O
to	O
his	O
own	O
familiarity	O
,	O
but	O
also	O
to	O
allow	O
strong	O
multi-platform	O
support	O
.	O
</s>
