<s>
Echo	B-Application
:	I-Application
Secrets	I-Application
of	I-Application
the	I-Application
Lost	I-Application
Cavern	I-Application
(	O
known	O
in	O
Europe	O
as	O
Secret	O
of	O
the	O
Lost	O
Cavern	O
)	O
is	O
a	O
computer	O
adventure	O
game	O
released	O
in	O
July	O
2005	O
.	O
</s>
<s>
It	O
is	O
very	O
similar	O
to	O
previous	O
Kheops	O
Studio	O
games	O
;	O
the	O
interface	O
and	O
gameplay	O
are	O
almost	O
identical	O
to	O
Return	B-Application
to	I-Application
Mysterious	I-Application
Island	I-Application
.	O
</s>
<s>
According	O
to	O
review	B-Application
aggregation	I-Application
site	O
Metacritic	O
,	O
critical	O
reception	O
of	O
Echo	B-Application
was	O
"	O
mixed	O
or	O
average	O
"	O
.	O
</s>
<s>
Jeuxvideo	O
reviewer	O
Superpanda	O
positively	O
compared	O
the	O
game	O
to	O
Myst	B-Application
,	O
which	O
he	O
thought	O
was	O
too	O
obscure	O
to	O
allow	O
players	O
to	O
easily	O
progress	O
.	O
</s>
<s>
Charles	O
Herold	O
of	O
The	O
New	O
York	O
Times	O
called	O
Echo	B-Application
"	O
painfully	O
sincere	O
"	O
and	O
found	O
that	O
its	O
"	O
story	O
is	O
a	O
perfunctory	O
vehicle	O
for	O
puzzles	O
and	O
a	O
little	O
anthropological	O
teaching.	O
"	O
</s>
