<s>
Portal	B-Application
Reloaded	I-Application
is	O
a	O
2021	O
free	O
fan	O
modification	O
for	O
Portal	B-Application
2	I-Application
created	O
by	O
German	O
developer	O
Jannis	O
Brinkmann	O
.	O
</s>
<s>
As	O
in	O
the	O
official	O
Portal	B-Application
games	I-Application
,	O
gameplay	O
involves	O
solving	O
puzzles	O
by	O
manipulating	O
portals	B-Application
which	O
allow	O
the	O
player	O
to	O
move	O
through	O
space	O
.	O
</s>
<s>
Additionally	O
,	O
the	O
mod	O
allows	O
players	O
to	O
shoot	O
a	O
third	O
"	O
time	O
portal	B-Application
"	O
,	O
allowing	O
traversal	O
across	O
two	O
versions	O
of	O
the	O
puzzle	O
chamber	O
in	O
different	O
time	O
periods	O
.	O
</s>
<s>
As	O
with	O
the	O
official	O
games	O
in	O
the	O
Portal	B-Application
franchise	O
,	O
Portal	B-Application
Reloaded	O
takes	O
place	O
in	O
the	O
Aperture	O
Science	O
facility	O
,	O
where	O
the	O
player	O
character	O
solves	O
a	O
variety	O
of	O
puzzles	O
in	O
test	O
chambers	O
.	O
</s>
<s>
Players	O
are	O
equipped	O
with	O
a	O
"	O
portal	B-Application
gun	O
"	O
,	O
allowing	O
them	O
to	O
create	O
holes	O
that	O
connect	O
disparate	O
areas	O
in	O
three-dimensional	O
space	O
.	O
</s>
<s>
Unique	O
to	O
the	O
mod	O
is	O
a	O
third	O
"	O
time	O
portal	B-Application
"	O
,	O
allowing	O
the	O
player	O
to	O
traverse	O
between	O
the	O
same	O
point	O
in	O
two	O
alternate	O
versions	O
of	O
the	O
test	O
chamber	O
,	O
located	O
respectively	O
in	O
the	O
past	O
and	O
the	O
future	O
.	O
</s>
<s>
If	O
an	O
object	O
–	O
such	O
as	O
a	O
cube	O
or	O
a	O
conventional	O
portal	B-Application
–	O
is	O
manipulated	O
in	O
the	O
past	O
,	O
it	O
moves	O
in	O
the	O
future	O
chamber	O
as	O
well	O
,	O
causing	O
its	O
previous	O
copy	O
to	O
fizzle	O
.	O
</s>
<s>
While	O
past	O
objects	O
cannot	O
be	O
taken	O
through	O
the	O
time	O
portal	B-Application
into	O
the	O
future	O
(	O
causing	O
a	O
paradox	O
)	O
,	O
future	O
variants	O
of	O
an	O
object	O
can	O
be	O
brought	O
into	O
the	O
past	O
.	O
</s>
<s>
Therefore	O
,	O
careful	O
usage	O
of	O
puzzle	O
elements	O
allows	O
the	O
player	O
to	O
have	O
a	O
duplicate	O
of	O
any	O
puzzle	O
element	O
that	O
can	O
be	O
brought	O
through	O
the	O
time	O
portal	B-Application
.	O
</s>
<s>
Unlike	O
Portal	B-Application
2	I-Application
,	O
which	O
it	O
is	O
based	O
on	O
,	O
the	O
game	O
does	O
not	O
feature	O
a	O
co-op	O
mode	O
.	O
</s>
<s>
The	O
developer	O
has	O
stated	O
that	O
the	O
mod	O
is	O
intended	O
as	O
a	O
smaller-scale	O
complement	O
to	O
the	O
original	O
game	O
,	O
in	O
contrast	O
to	O
other	O
modifications	O
such	O
as	O
Portal	B-Application
Stories	I-Application
:	I-Application
Mel	I-Application
.	O
</s>
<s>
Portal	B-Application
Reloaded	I-Application
is	O
intended	O
to	O
take	O
place	O
in	O
the	O
same	O
universe	O
as	O
the	O
official	O
Portal	B-Application
games	I-Application
;	O
according	O
to	O
the	O
developer	O
,	O
the	O
narrative	O
is	O
designed	O
to	O
not	O
interfere	O
with	O
that	O
of	O
the	O
original	O
series	O
.	O
</s>
<s>
Navigating	O
various	O
test	O
chambers	O
using	O
the	O
portal	B-Application
gun	O
,	O
they	O
learn	O
how	O
to	O
use	O
time	O
portals	B-Application
to	O
navigate	O
between	O
a	O
version	O
of	O
Aperture	O
's	O
laboratories	O
in	O
the	O
past	O
and	O
a	O
dilapidated	O
and	O
broken	O
version	O
twenty	O
years	O
in	O
the	O
future	O
,	O
which	O
the	O
facility	O
's	O
artificial	B-Application
intelligence	I-Application
overseer	O
states	O
has	O
been	O
damaged	O
as	O
a	O
visual	O
aid	O
.	O
</s>
<s>
The	O
player	O
can	O
either	O
obey	O
this	O
order	O
,	O
or	O
escape	O
through	O
a	O
time	O
portal	B-Application
to	O
the	O
future	O
.	O
</s>
<s>
If	O
the	O
player	O
does	O
the	O
former	O
,	O
the	O
test	O
subject	O
successfully	O
returns	O
to	O
stasis	O
,	O
with	O
the	O
AI	B-Application
commenting	O
that	O
they	O
will	O
now	O
"	O
change	O
the	O
course	O
of	O
history	O
"	O
,	O
possibly	O
causing	O
the	O
events	O
of	O
Portal	B-Application
to	O
never	O
happen	O
.	O
</s>
<s>
Otherwise	O
,	O
the	O
player	O
escapes	O
via	O
an	O
elevator	O
,	O
and	O
their	O
portal	B-Application
gun	O
is	O
deactivated	O
.	O
</s>
<s>
All	O
of	O
the	O
mod	O
's	O
gameplay	O
alterations	O
were	O
done	O
via	O
a	O
scripting	B-Language
language	I-Language
,	O
instead	O
of	O
Portal	B-Application
2s	I-Application
code	O
directly	O
.	O
</s>
<s>
It	O
was	O
released	O
for	O
free	O
on	O
Steam	B-Application
on	O
April	O
19	O
,	O
2021	O
,	O
to	O
coincide	O
with	O
Portal	B-Application
2s	I-Application
ten-year	O
anniversary	O
.	O
</s>
<s>
Portal	B-Application
:	O
Reloaded	O
was	O
positively	O
received	O
by	O
multiple	O
gaming	O
reviewers	O
,	O
who	O
considered	O
it	O
a	O
well-designed	O
complement	O
to	O
the	O
official	O
Portal	B-Application
series	O
.	O
</s>
<s>
Martin	O
Francis	O
Doherty	O
of	O
Game	O
Rant	O
described	O
the	O
addition	O
of	O
the	O
time	O
portal	B-Application
as	O
a	O
"	O
clever	O
move	O
"	O
.	O
</s>
