<s>
Doctor	B-Application
Who	I-Application
:	I-Application
The	I-Application
First	I-Application
Adventure	I-Application
is	O
a	O
computer	O
game	O
based	O
on	O
the	O
long-running	O
British	O
science	O
fiction	O
television	O
series	O
Doctor	O
Who	O
released	O
for	O
the	O
BBC	B-Device
Micro	I-Device
in	O
1983	O
.	O
</s>
<s>
It	O
featured	O
the	O
Fifth	O
Doctor	O
,	O
despite	O
only	O
seeing	O
one	O
pixel	O
as	O
The	O
Doctor	O
,	O
as	O
the	O
player	O
ventured	O
through	O
four	O
mini-games	O
which	O
went	O
by	O
levels	O
of	O
completion	O
which	O
were	O
Doctor	O
Who	O
themed	O
versions	O
of	O
Pac-Man	B-Application
,	O
Frogger	B-Application
,	O
Space	B-Application
Invaders	I-Application
and	O
Battleship	O
.	O
</s>
<s>
The	O
first	O
level	O
called	O
"	O
Labyrinth	O
of	O
Death	O
"	O
was	O
based	O
on	O
Pac-Man	B-Application
.	O
</s>
<s>
Level	O
2	O
,	O
"	O
The	O
Prison	O
"	O
was	O
a	O
Frogger	B-Application
type	O
game	O
.	O
</s>
