<s>
Opera	B-Application
Fatal	I-Application
is	O
a	O
1996	O
educational	O
graphic	O
adventure	O
puzzle	O
video	O
game	O
developed	O
by	O
Ruske	O
&	O
Pühretmaier	O
Design	O
und	O
Multimedia	O
GmbH	O
and	O
published	O
by	O
Heureka-Klett	O
.	O
</s>
<s>
The	O
gameplay	O
of	O
Opera	B-Application
Fatal	I-Application
consists	O
of	O
first-person	O
exploration	O
as	O
Angelo	O
finds	O
his	O
way	O
through	O
the	O
opera	O
house	O
.	O
</s>
<s>
To	O
aid	O
the	O
player	O
in	O
answering	O
the	O
questions	O
,	O
an	O
interactive	O
virtual	O
library	O
on	O
music	O
theory	O
,	O
musical	O
instruments	O
,	O
the	O
lives	O
of	O
several	O
composers	B-Application
,	O
and	O
music	O
history	O
is	O
available	O
inside	O
the	O
game	O
itself	O
.	O
</s>
<s>
Opera	B-Application
Fatal	I-Application
was	O
first	O
released	O
in	O
German	O
in	O
1996	O
;	O
later	O
versions	O
were	O
released	O
in	O
Italian	O
,	O
English	O
,	O
French	O
,	O
and	O
Dutch	O
.	O
</s>
<s>
Opera	B-Application
Fatal	I-Application
won	O
several	O
awards	O
,	O
including	O
the	O
1997	O
Digita	O
award	O
for	O
educational	O
games	O
and	O
the	O
1996	O
Macromedia	O
People	O
's	O
Choice	O
Awards	O
.	O
</s>
