<s>
Ketzal	B-Device
's	I-Device
Corridors	I-Device
,	O
known	O
in	O
PAL	O
regions	O
as	O
SpeedThru	B-Device
:	I-Device
Potzol	I-Device
's	I-Device
Puzzle	I-Device
and	O
in	O
Japan	O
as	O
,	O
is	O
a	O
puzzle	O
video	O
game	O
,	O
developed	O
by	O
Keys	O
Factory	O
and	O
published	O
by	O
Nintendo	O
.	O
</s>
<s>
It	O
was	O
released	O
on	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
via	O
the	O
Nintendo	B-Application
eShop	I-Application
.	O
</s>
<s>
The	O
game	O
is	O
a	O
follow-up	O
to	O
Keys	O
Factory	O
's	O
ThruSpace	B-Application
,	O
released	O
on	O
WiiWare	O
in	O
2010	O
.	O
</s>
<s>
The	O
game	O
is	O
described	O
as	O
a	O
"	O
third-person	O
on-rails	O
Tetris	B-Device
,	O
"	O
with	O
the	O
player	O
having	O
to	O
move	O
a	O
3-4	O
block	O
shape	O
,	O
attempting	O
to	O
get	O
through	O
each	O
hole	O
without	O
missing	O
,	O
and	O
using	O
a	O
variety	O
of	O
strategic	O
movements	O
to	O
the	O
block	O
to	O
progress	O
efficiently	O
through	O
the	O
level	O
.	O
</s>
<s>
The	O
setting	O
of	O
the	O
game	O
is	O
based	O
on	O
the	O
Aztec	B-Application
,	O
the	O
ethnic	O
groups	O
of	O
central	O
Mexico	O
that	O
lived	O
during	O
the	O
14th	O
–	O
16th	O
centuries	O
.	O
</s>
<s>
The	O
game	O
received	O
"	O
generally	O
favorable	O
reviews	O
"	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
