<s>
Secret	B-Application
Files	I-Application
:	I-Application
Tunguska	I-Application
(	O
German	O
:	O
Geheimakte	O
Tunguska	O
)	O
is	O
a	O
2006	O
graphic	O
adventure	O
video	O
game	O
developed	O
by	O
German	O
studios	O
Fusionsphere	O
Systems	O
and	O
Animation	O
Arts	O
and	O
published	O
by	O
Deep	O
Silver	O
for	O
Microsoft	B-Application
Windows	I-Application
,	O
Nintendo	B-Device
DS	I-Device
,	O
Wii	B-Operating_System
,	O
iOS	B-Application
,	O
Android	B-Application
,	O
Wii	B-Device
U	I-Device
and	O
Nintendo	B-Application
Switch	I-Application
.	O
</s>
<s>
The	O
game	O
is	O
the	O
start	O
of	O
the	O
Secret	O
Files	O
trilogy	O
,	O
with	O
a	O
sequel	O
,	O
Secret	B-Application
Files	I-Application
2	I-Application
:	I-Application
Puritas	I-Application
Cordis	I-Application
,	O
being	O
released	O
in	O
2008	O
.	O
</s>
<s>
Unlike	O
games	O
in	O
the	O
Broken	O
Sword	O
series	O
,	O
however	O
,	O
it	O
is	O
not	O
possible	O
for	O
the	O
player	O
to	O
lose	B-Application
or	O
get	O
into	O
an	O
unwinnable	O
situation	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
version	O
of	O
the	O
game	O
exclusively	O
allows	O
the	O
player	O
to	O
connect	O
a	O
Nunchuk	O
to	O
a	O
Wii	B-Device
Remote	I-Device
and	O
use	O
its	O
analog	B-Device
stick	I-Device
to	O
directly	O
control	O
character	O
movement	O
and	O
also	O
supports	O
cooperative	O
multiplayer	O
in	O
which	O
a	O
second	O
player	O
uses	O
another	O
Wii	B-Device
Remote	I-Device
to	O
easily	O
point	O
out	O
anything	O
that	O
could	O
be	O
crucial	O
to	O
progress	O
.	O
</s>
<s>
The	O
first	O
ports	O
were	O
to	O
seventh-generation	B-Application
Nintendo	O
platforms	O
,	O
the	B-Operating_System
Wii	I-Operating_System
and	O
DS	B-Device
,	O
which	O
Deep	O
Silver	O
announced	O
the	O
following	O
year	O
,	O
stating	O
:	O
</s>
<s>
Firstly	O
to	O
explore	O
the	O
control	O
methods	O
of	O
the	B-Operating_System
Wii	I-Operating_System
and	O
DS	B-Device
,	O
which	O
we	O
find	O
very	O
interesting	O
,	O
and	O
secondly	O
because	O
we	O
feel	O
the	O
platforms	O
deserve	O
this	O
kind	O
of	O
game.	O
"	O
</s>
<s>
Additional	O
work	O
was	O
commissioned	O
to	O
capitalize	O
on	O
both	O
systems	O
 '	O
motion	B-Device
controls	I-Device
.	O
</s>
<s>
The	O
game	O
was	O
ported	O
again	O
digitally	O
to	O
mobile	O
devices	O
and	O
the	B-Operating_System
Wii	I-Operating_System
U	O
in	O
the	O
mid-2010s	O
(	O
the	O
latter	O
being	O
available	O
only	O
in	O
Europe	O
)	O
,	O
followed	O
by	O
a	O
Nintendo	B-Application
Switch	I-Application
port	O
worldwide	O
in	O
2018	O
.	O
</s>
<s>
Secret	B-Application
Files	I-Application
:	I-Application
Tunguska	I-Application
received	O
"	O
mixed	O
or	O
average	O
"	O
reviews	O
,	O
according	O
to	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
In	O
his	O
praiseworthy	O
review	O
of	O
the	O
DS	B-Device
point-and-click	O
game	O
Hotel	B-Application
Dusk	I-Application
:	I-Application
Room	I-Application
215	I-Application
,	O
Alex	O
Navarro	O
cited	O
this	O
same	O
Tunguska	O
scene	O
as	O
an	O
example	O
of	O
what	O
Hotel	O
does	O
well	O
in	O
avoiding	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Secret	B-Application
Files	I-Application
2	I-Application
:	I-Application
Puritas	I-Application
Cordis	I-Application
,	O
was	O
released	O
in	O
2008	O
on	O
most	O
of	O
the	O
same	O
platforms	O
as	O
the	O
original	O
game	O
.	O
</s>
