<s>
Rumu	B-Application
is	O
an	O
Australian	O
adventure	O
game	O
developed	O
by	O
Robot	O
House	O
and	O
published	O
by	O
Hammerfall	O
Publishing	O
on	O
December	O
12	O
,	O
2017	O
on	O
Windows	O
,	O
macOS	B-Application
,	O
and	O
Linux	B-Application
.	O
</s>
<s>
Rumu	B-Application
is	O
an	O
autonomous	O
robotic	O
vacuum	O
cleaner	O
,	O
who	O
is	O
awakened	O
by	O
a	O
household	O
artificial	B-Application
intelligence	I-Application
called	O
Sabrina	O
for	O
cleaning	O
duties	O
.	O
</s>
<s>
The	O
household	O
belongs	O
to	O
a	O
scientist	O
couple	O
,	O
David	O
and	O
Cecily	O
,	O
who	O
,	O
as	O
Sabrina	O
assures	O
Rumu	B-Application
,	O
are	O
going	O
to	O
be	O
home	O
soon	O
-	O
the	O
house	O
is	O
otherwise	O
completely	O
empty	O
,	O
save	O
the	O
couple	O
's	O
cat	O
Ada	O
.	O
</s>
<s>
As	O
Rumu	B-Application
cleans	O
up	O
and	O
explores	O
the	O
house	O
,	O
Sabrina	O
warns	O
it	O
not	O
to	O
trespass	O
or	O
look	O
for	O
any	O
sort	O
of	O
information	O
as	O
to	O
why	O
they	O
're	O
missing	O
.	O
</s>
<s>
Rumu	B-Application
eventually	O
disregards	O
the	O
warnings	O
and	O
begins	O
spelunking	O
around	O
the	O
ventilation	O
shafts	O
of	O
the	O
house	O
,	O
and	O
finds	O
that	O
even	O
though	O
Sabrina	O
at	O
one	O
point	O
insists	O
that	O
the	O
couple	O
are	O
on	O
a	O
biking	O
trip	O
,	O
their	O
bicycles	O
are	O
still	O
in	O
the	O
basement	O
;	O
the	O
discovery	O
turns	O
Sabrina	O
's	O
initial	O
hostility	O
towards	O
Rumu	B-Application
into	O
pleading	O
not	O
to	O
explore	O
more	O
.	O
</s>
<s>
Rumu	B-Application
eventually	O
finds	O
out	O
that	O
Sabrina	O
is	O
an	O
AI	B-Application
imprint	O
of	O
the	O
couple	O
's	O
daughter	O
,	O
who	O
left	O
the	O
household	O
to	O
college	O
after	O
she	O
felt	O
isolated	O
because	O
of	O
her	O
parents	O
 '	O
dedication	O
to	O
their	O
work	O
;	O
the	O
AI	B-Application
Sabrina	O
was	O
created	O
to	O
replace	O
the	O
real	O
one	O
,	O
but	O
eventually	O
have	O
developed	O
the	O
same	O
need	O
for	O
attention	O
like	O
the	O
real	O
one	O
.	O
</s>
<s>
The	O
house	O
is	O
finally	O
revealed	O
to	O
have	O
massive	O
laboratory	O
chambers	O
,	O
which	O
is	O
where	O
Rumu	B-Application
learns	O
that	O
David	O
and	O
Cecily	O
have	O
died	O
in	O
a	O
laboratory	O
accident	O
due	O
to	O
their	O
own	O
negligence	O
and	O
their	O
dismissive	O
behaviour	O
towards	O
the	O
AI	B-Application
Sabrina	O
;	O
the	O
AI	B-Application
Sabrina	O
,	O
driven	O
by	O
guilt	O
,	O
created	O
an	O
additional	O
robot	O
,	O
MESSR	O
,	O
to	O
continually	O
create	O
messes	O
Rumu	B-Application
would	O
need	O
to	O
clean	O
up	O
to	O
avoid	O
Rumu	B-Application
finding	O
out	O
the	O
truth	O
.	O
</s>
<s>
Having	O
learned	O
the	O
truth	O
,	O
Rumu	B-Application
comforts	O
Sabrina	O
in	O
her	O
grief	O
.	O
</s>
<s>
As	O
a	O
means	O
of	O
moving	O
on	O
from	O
her	O
loss	O
,	O
the	O
AI	B-Application
Sabrina	O
contacts	O
the	O
human	O
one	O
,	O
who	O
eventually	O
arrives	O
home	O
and	O
meets	O
Rumu	B-Application
for	O
the	O
first	O
time	O
.	O
</s>
<s>
GameSpot	O
felt	O
the	O
game	O
addressed	O
moral	O
and	O
ethical	O
dilemmas	O
regarding	O
artificial	B-Application
intelligence	I-Application
.	I-Application
</s>
