<s>
Nelson	B-Device
Tethers	I-Device
:	I-Device
Puzzle	I-Device
Agent	I-Device
(	O
also	O
known	O
simply	O
as	O
Puzzle	B-Device
Agent	I-Device
)	O
is	O
an	O
adventure/puzzle	O
game	O
by	O
Telltale	O
Games	O
,	O
in	O
collaboration	O
with	O
Graham	O
Annable	O
.	O
</s>
<s>
This	O
is	O
one	O
of	O
two	O
Telltale	O
Games	O
titles	O
that	O
have	O
an	O
original	O
character	O
,	O
the	O
other	O
being	O
Telltale	B-Application
Texas	I-Application
Hold'em	I-Application
.	O
</s>
<s>
A	O
WiiWare	O
release	O
of	O
the	O
game	O
for	O
the	B-Operating_System
Wii	I-Operating_System
was	O
planned	O
but	O
eventually	O
cancelled	O
.	O
</s>
<s>
The	O
game	O
structure	O
resembles	O
a	O
linear	O
adventure	O
game	O
–	O
the	O
player	O
does	O
n't	O
have	O
an	O
inventory	O
,	O
but	O
can	O
traverse	O
into	O
dialog	B-Application
trees	I-Application
with	O
other	O
characters	O
.	O
</s>
<s>
The	O
types	O
of	O
puzzles	O
vary	O
from	O
jigsaw	B-Application
through	O
mathematics	O
to	O
logic	O
puzzles	O
.	O
</s>
<s>
The	O
factory	O
that	O
produces	O
the	O
erasers	B-Application
used	O
by	O
the	O
White	B-Application
House	I-Application
has	O
stopped	O
production	O
;	O
any	O
attempts	O
to	O
contact	O
the	O
factory	O
are	O
met	O
with	O
bizarre	O
puzzles	O
.	O
</s>
<s>
The	O
story	O
continues	O
in	O
the	O
sequel	O
,	O
Puzzle	B-Application
Agent	I-Application
2	I-Application
.	O
</s>
