<s>
Half-Life	B-Application
:	I-Application
Delta	I-Application
is	O
a	O
game	O
modification	O
of	O
Half-Life	B-Application
created	O
by	O
Russian	O
developer	O
Yuri	O
“	O
XF-Alien	O
”	O
Epifantsev	O
,	O
released	O
on	O
October	O
29	O
,	O
2021	O
.	O
</s>
<s>
Delta	O
is	O
a	O
total	O
conversion	O
mod	O
,	O
meaning	O
that	O
the	O
game	O
uses	O
none	O
or	O
almost	O
none	O
of	O
the	O
resources	O
used	O
in	O
the	O
base	O
game	O
,	O
though	O
it	O
takes	O
place	O
contemporaneously	O
to	O
the	O
events	O
of	O
Half-Life	B-Application
.	O
</s>
