<s>
Do	B-Operating_System
n't	I-Operating_System
Look	I-Operating_System
Back	I-Operating_System
is	O
a	O
platform	O
game	O
playable	O
through	O
Adobe	B-Operating_System
Flash	I-Operating_System
and	O
designed	O
by	O
Terry	O
Cavanagh	O
.	O
</s>
<s>
The	O
game	O
is	O
an	O
interpretation	O
of	O
the	O
Orpheus	O
and	O
Eurydice	O
legend	O
with	O
stylized	O
graphics	O
resembling	O
those	O
produced	O
by	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
game	O
console	O
.	O
</s>
<s>
Do	B-Operating_System
n't	I-Operating_System
Look	I-Operating_System
Back	I-Operating_System
is	O
a	O
combination	O
of	O
two	O
separate	O
ideas	O
,	O
one	O
of	O
which	O
was	O
what	O
Cavanagh	O
termed	O
as	O
"	O
a	O
silly	O
shooter	O
or	O
something	O
like	O
that	O
"	O
,	O
which	O
would	O
be	O
"	O
redeem(ed )	O
"	O
by	O
a	O
twist	O
which	O
would	O
show	O
the	O
player	O
's	O
actions	O
in	O
a	O
different	O
light	O
.	O
</s>
<s>
The	O
iOS	B-Application
port	O
had	O
initially	O
been	O
rejected	O
by	O
Apple	O
due	O
to	O
its	O
marketing	O
material	O
stating	O
that	O
"	O
There	O
are	O
no	O
in-app	O
purchases	O
or	O
any	O
of	O
that	O
nonsense	O
"	O
.	O
</s>
<s>
Journalists	O
praised	O
Do	B-Operating_System
n't	I-Operating_System
Look	I-Operating_System
Back	I-Operating_System
overall	O
,	O
in	O
particular	O
its	O
presentation	O
.	O
</s>
<s>
Jim	O
Rossignol	O
of	O
Rock	O
,	O
Paper	O
,	O
Shotgun	O
described	O
Do	B-Operating_System
n't	I-Operating_System
Look	I-Operating_System
Back	I-Operating_System
as	O
"	O
simplistic	O
,	O
but	O
very	O
tricky	O
"	O
,	O
adding	O
"	O
It	O
’s	O
really	O
well	O
done	O
"	O
.	O
</s>
<s>
In	O
a	O
positive	O
examination	O
of	O
Do	B-Operating_System
n't	I-Operating_System
Look	I-Operating_System
Back	I-Operating_System
,	O
game	O
designer	O
Emily	O
Short	O
(	O
writing	O
for	O
Gamasutra	O
)	O
described	O
the	O
game	O
as	O
"	O
not	O
a	O
masterpiece	O
"	O
,	O
but	O
she	O
noted	O
that	O
it	O
illustrates	O
"	O
the	O
methods	O
by	O
which	O
a	O
masterpiece	O
will	O
one	O
day	O
be	O
written.	O
"	O
</s>
