<s>
Puszka	B-Application
Pandory	I-Application
(	O
English	O
:	O
Pandora	O
's	O
Box	O
)	O
is	O
a	O
Polish	O
computer	O
text	O
game	O
created	O
in	O
1986	O
by	O
:pl:Marcin	O
Borkowski	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
computer	O
.	O
</s>
<s>
The	O
text	O
compression	O
on	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
computer	O
(	O
due	O
to	O
the	O
fact	O
that	O
it	O
only	O
had	O
48	O
kilobytes	O
of	O
memory	O
)	O
imposed	O
many	O
restrictions	O
on	O
programmers	O
,	O
and	O
the	O
game	O
was	O
created	O
as	O
a	O
challenge	O
to	O
see	O
if	O
these	O
restrictions	O
could	O
be	O
bypassed	O
.	O
</s>
<s>
The	O
games	O
worked	O
on	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
.	O
</s>
