<s>
Spare	B-Application
Change	I-Application
is	O
an	O
action	B-Application
game	I-Application
designed	O
by	O
Dan	O
and	O
Mike	O
Zeller	O
and	O
published	O
in	O
1983	O
by	O
Broderbund	O
for	O
the	O
Apple	B-Device
II	I-Device
and	O
Atari	B-Device
8-bit	I-Device
home	O
computers	O
.	O
</s>
<s>
Ports	O
for	O
FM-7	B-Device
and	O
Sharp	B-Device
X1	I-Device
were	O
released	O
in	O
1985	O
.	O
</s>
<s>
The	O
difficulty	O
of	O
Spare	B-Application
Change	I-Application
can	O
be	O
customized	O
through	O
seven	O
settings	O
at	O
the	O
"	O
Zerks	O
Control	O
Panel	O
"	O
.	O
</s>
<s>
Spare	B-Application
Change	I-Application
is	O
a	O
game	O
in	O
which	O
the	O
player	O
is	O
the	O
owner	O
of	O
the	O
Spare	B-Application
Change	I-Application
Arcade	O
and	O
is	O
trying	O
to	O
keep	O
two	O
animated	O
characters	O
called	O
Zerks	O
from	O
stealing	O
enough	O
game	O
tokens	O
to	O
retire	O
after	O
escaping	O
from	O
their	O
game	O
.	O
</s>
