<s>
Pi-balled	B-Application
is	O
a	O
video	O
game	O
written	O
by	O
Jason	O
Austin	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
published	O
by	O
Automata	O
UK	O
in	O
1984	O
.	O
</s>
<s>
Pi-balled	B-Application
is	O
a	O
Q*bert	B-Application
clone	O
.	O
</s>
<s>
Pi-balled	B-Application
is	O
a	O
game	O
in	O
which	O
the	O
player	O
has	O
to	O
change	O
the	O
colors	O
of	O
the	O
cubes	O
in	O
the	O
pyramid	O
by	O
leaping	O
from	O
block	O
to	O
block	O
while	O
avoiding	O
descending	O
enemies	O
.	O
</s>
<s>
Noel	O
Williams	O
reviewed	O
Pi-balled	B-Application
for	O
Imagine	O
magazine	O
,	O
and	O
stated	O
that	O
"	O
If	O
you	O
want	O
another	O
fast	O
action	O
,	O
eyestraining	O
,	O
fingerbreaking	O
activity	O
,	O
you	O
'll	O
enjoy	O
this	O
,	O
but	O
if	O
it	O
is	O
your	O
mind	O
or	O
imagination	O
that	O
needs	O
the	O
exercise	O
,	O
forget	O
it.	O
"	O
</s>
