<s>
Snake	B-Application
Byte	I-Application
is	O
video	O
game	O
written	O
by	O
Chuck	O
Sommerville	O
for	O
the	O
Apple	B-Device
II	I-Device
and	O
published	O
by	O
Sirius	O
Software	O
in	O
1982	O
.	O
</s>
<s>
The	O
game	O
is	O
a	O
single-player	O
variant	O
of	O
the	O
snake	B-Application
concept	O
.	O
</s>
<s>
That	O
same	O
year	O
,	O
Snake	B-Application
Byte	I-Application
was	O
released	O
for	O
the	O
Atari	B-Device
8-bit	I-Device
family	I-Device
and	O
on	O
cartridge	O
for	O
the	O
VIC-20	B-Device
.	O
</s>
<s>
The	O
player	O
controls	O
a	O
snake	B-Application
,	O
crawling	O
into	O
a	O
rectangular	O
area	O
.	O
</s>
<s>
At	O
the	O
start	O
of	O
the	O
game	O
the	O
snake	B-Application
has	O
three	O
lives	O
and	O
gains	O
a	O
life	O
when	O
it	O
successfully	O
exits	O
a	O
level	O
.	O
</s>
<s>
The	O
snake	B-Application
becomes	O
longer	O
and	O
moves	O
more	O
quickly	O
with	O
each	O
apple	O
eaten	O
.	O
</s>
<s>
The	O
snake	B-Application
loses	O
a	O
life	O
when	O
crashing	O
into	O
a	O
fence	O
,	O
the	O
wall	O
or	O
itself	O
.	O
</s>
<s>
After	O
the	O
last	O
apple	O
in	O
each	O
round	O
is	O
eaten	O
the	O
snake	B-Application
must	O
exit	O
the	O
area	O
through	O
a	O
gate	O
which	O
appears	O
.	O
</s>
<s>
Plums	O
bounce	O
around	O
within	O
the	O
area	O
and	O
kill	O
the	O
snake	B-Application
when	O
they	O
hit	O
its	O
head	O
.	O
</s>
<s>
gave	O
Snake	B-Application
Byte	I-Application
grades	O
of	O
B−	O
for	O
graphics	O
and	O
A	O
for	O
gameplay	O
.	O
</s>
