<s>
Digger	B-Application
is	O
a	O
video	O
game	O
released	O
by	O
Canadian	O
developer	O
Windmill	O
Software	O
as	O
a	O
self-booting	O
disk	O
for	O
IBM	B-Device
PC	I-Device
compatibles	O
.	O
</s>
<s>
It	O
is	O
similar	O
to	O
the	O
1982	O
arcade	O
game	O
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
Digger	B-Application
was	O
developed	O
by	O
Rob	O
Sleath	O
,	O
the	O
primary	O
developer	O
of	O
Windmill	O
games	O
.	O
</s>
<s>
In	O
1984	O
,	O
Digger	B-Application
was	O
converted	O
to	O
run	O
on	O
IBM	B-Device
PCjr	I-Device
and	O
IBM	B-Device
JX	I-Device
.	O
</s>
<s>
Features	O
of	O
Digger	B-Application
are	O
similar	O
to	O
those	O
in	O
the	O
arcade	O
games	O
Mr.	B-Application
Do	I-Application
!	I-Application
</s>
<s>
and	O
Dig	B-Application
Dug	I-Application
.	O
</s>
<s>
Falling	O
bags	O
will	O
squash	O
monsters	O
,	O
but	O
they	O
will	O
also	O
squash	O
the	O
digger	B-Application
.	O
</s>
<s>
The	O
digger	B-Application
has	O
a	O
weapon	O
,	O
which	O
fires	O
in	O
a	O
straight	O
line	O
,	O
but	O
takes	O
several	O
seconds	O
to	O
recharge	O
(	O
taking	O
longer	O
as	O
the	O
levels	O
go	O
higher	O
)	O
.	O
</s>
<s>
If	O
the	O
digger	B-Application
collects	O
this	O
,	O
bonus	O
mode	O
is	O
entered	O
,	O
and	O
for	O
about	O
fifteen	O
seconds	O
(	O
which	O
decreases	O
as	O
the	O
game	O
level	O
gets	O
higher	O
)	O
the	O
digger	B-Application
is	O
able	O
to	O
eat	O
the	O
monsters	O
.	O
</s>
<s>
Accordingly	O
,	O
the	O
monsters	O
now	O
run	O
away	O
from	O
the	O
digger	B-Application
rather	O
than	O
towards	O
it	O
(	O
similar	O
to	O
Pac-Man	B-Application
)	O
.	O
</s>
<s>
Digger	B-Application
used	O
a	O
pulse-width	B-Algorithm
modulation	I-Algorithm
sound	O
system	O
,	O
which	O
was	O
unusual	O
and	O
advanced	O
for	O
1983	B-Application
.	O
</s>
<s>
In	O
1998	O
,	O
Andrew	O
Jenner	O
created	O
a	O
free-software	B-Application
version	O
under	O
GPL	B-License
of	O
the	O
game	O
,	O
called	O
Digger	B-Application
Remastered	O
,	O
by	O
reverse	O
engineering	O
the	O
original	O
game	O
.	O
</s>
<s>
In	O
2000	O
,	O
a	O
clone	O
of	O
the	O
game	O
called	O
Millennium	O
Digger	B-Application
:	O
The	O
Artful	O
Machine	O
was	O
released	O
by	O
Alawar	O
Entertainment	O
.	O
</s>
<s>
Digger	B-Application
Remastered	O
is	O
available	O
for	O
AmigaOS	B-Application
,	O
DOS	B-Device
,	O
Linux	B-Application
,	O
GP2X	B-Device
,	O
Java	B-Language
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
Wii	B-Operating_System
,	O
MorphOS	B-Operating_System
,	O
RiscOS	B-Operating_System
,	O
Dreamcast	B-Operating_System
,	O
Unix	B-Application
and	O
Windows	B-Application
.	O
</s>
<s>
Digger	B-Application
Wii	B-Operating_System
is	O
a	O
homebrew	B-Application
port	O
of	O
Digger	B-Application
Remastered	O
to	O
Nintendo	B-Operating_System
Wii	I-Operating_System
.	O
</s>
<s>
Digger	B-Application
Mobile	O
Edition	O
is	O
a	O
port	O
for	O
mobile	O
phones	O
(	O
or	O
small	O
devices	O
capable	O
of	O
running	O
Java	B-Language
ME	I-Language
)	O
.	O
</s>
<s>
Digger	B-Application
Classic	O
is	O
a	O
port	O
of	O
Digger	B-Application
Remastered	O
to	O
Android	B-Application
.	O
</s>
<s>
An	O
enhanced	O
remake	O
titled	O
Digger	B-Application
HD	O
was	O
developed	O
by	O
Creat	O
Studios	O
and	O
released	O
on	O
October	O
1	O
,	O
2009	O
for	O
PlayStation	B-Operating_System
3	I-Operating_System
.	O
</s>
<s>
In	O
2015	O
,	O
Digger	B-Application
was	O
released	O
for	O
ColecoVision	B-Device
.	O
</s>
<s>
In	O
2018	O
a	O
non-commercial	O
fan	O
remake	O
of	O
Digger	B-Application
has	O
been	O
developed	O
for	O
Commodore	O
64	O
using	O
cc65	B-Application
.	O
</s>
