<s>
Diamond	O
Mine	O
is	O
a	O
video	O
game	O
first	O
published	O
by	O
MRM	O
Software	O
for	O
the	O
Acorn	B-Device
Electron	I-Device
and	O
BBC	B-Device
Micro	I-Device
home	O
computers	O
in	O
1984	O
.	O
</s>
<s>
Blue	O
Ribbon	O
released	O
a	O
sequel	O
,	O
Diamond	B-Application
Mine	I-Application
II	I-Application
,	O
at	O
the	O
same	O
time	O
.	O
</s>
<s>
Both	O
games	O
are	O
similar	O
to	O
the	O
1983	O
game	O
Oil	B-Application
's	I-Application
Well	I-Application
,	O
which	O
itself	O
is	O
a	O
re-themed	O
version	O
of	O
the	O
1982	O
Anteater	B-Application
arcade	O
game	O
.	O
</s>
<s>
The	O
aim	O
of	O
the	O
game	O
is	O
to	O
guide	O
a	O
pipe	O
through	O
a	O
maze-like	O
mine	O
to	O
collect	O
diamonds	O
while	O
avoiding	O
hitting	O
the	O
walls	O
or	O
the	O
patrolling	O
monsters	O
.	O
</s>
<s>
Diamonds	O
are	O
placed	O
sporadically	O
in	O
the	O
maze	B-Application
and	O
there	O
is	O
no	O
way	O
to	O
kill	O
the	O
monsters	O
.	O
</s>
<s>
In	O
1985	O
,	O
Blue	O
Ribbon	O
published	O
a	O
sequel	O
from	O
the	O
same	O
programmer	O
,	O
Diamond	B-Application
Mine	I-Application
II	I-Application
.	O
</s>
<s>
The	O
screen	O
layout	O
is	O
even	O
closer	O
to	O
Anteater	B-Application
than	O
the	O
original	O
.	O
</s>
<s>
The	O
maze	B-Application
is	O
also	O
populated	O
by	O
regular	O
diamonds	O
which	O
more	O
resemble	O
the	O
dots	O
in	O
a	O
Pac-Man	B-Application
maze	B-Application
.	O
</s>
