<s>
Minesweeper	B-Application
is	O
a	O
logic	O
puzzle	O
video	O
game	O
genre	O
generally	O
played	O
on	O
personal	B-Device
computers	I-Device
.	O
</s>
<s>
Variants	O
of	O
Minesweeper	B-Application
have	O
been	O
made	O
that	O
expand	O
on	O
the	O
basic	O
concepts	O
,	O
such	O
as	O
Minesweeper	B-Application
X	O
,	O
Crossmines	O
,	O
and	O
Minehunt	O
.	O
</s>
<s>
Minesweeper	B-Application
has	O
been	O
incorporated	O
as	O
a	O
minigame	O
in	O
other	O
games	O
,	O
such	O
as	O
RuneScape	B-Protocol
and	O
Minecraft	B-Application
2015	O
April	O
Fools	O
update	O
.	O
</s>
<s>
The	O
origin	O
of	O
Minesweeper	B-Application
is	O
unclear	O
.	O
</s>
<s>
According	O
to	O
TechRadar	O
,	O
the	O
first	O
version	O
of	O
the	O
game	O
was	O
1990	O
's	O
Microsoft	B-Application
Minesweeper	I-Application
,	O
but	O
Eurogamer	O
says	O
Mined-Out	B-Application
by	O
Ian	O
Andrew	O
(	O
1983	O
)	O
was	O
the	O
first	O
Minesweeper	B-Application
game	I-Application
.	O
</s>
<s>
Curt	O
Johnson	O
,	O
the	O
creator	O
of	O
Microsoft	B-Application
Minesweeper	I-Application
,	O
acknowledges	O
that	O
his	O
game	O
's	O
design	O
was	O
borrowed	O
from	O
another	O
game	O
,	O
but	O
it	O
was	O
not	O
Mined-Out	B-Application
,	O
and	O
he	O
does	O
not	O
remember	O
which	O
game	O
it	O
is	O
.	O
</s>
<s>
Minesweeper	B-Application
is	O
a	O
puzzle	O
video	O
game	O
.	O
</s>
<s>
A	O
game	O
of	O
Minesweeper	B-Application
begins	O
when	O
the	O
player	O
first	O
selects	O
a	O
cell	O
on	O
a	O
board	O
.	O
</s>
<s>
To	O
win	O
a	O
game	O
of	O
Minesweeper	B-Application
,	O
all	O
non-mine	O
cells	O
must	O
be	O
opened	O
without	O
opening	O
a	O
mine	O
.	O
</s>
<s>
Microsoft	B-Application
Minesweeper	I-Application
offers	O
three	O
default	O
board	O
configurations	O
,	O
usually	O
known	O
as	O
beginner	O
,	O
intermediate	O
and	O
expert	O
,	O
in	O
order	O
of	O
increasing	O
difficulty	O
.	O
</s>
<s>
According	O
to	O
TechRadar	O
,	O
Minesweeper	B-Application
was	O
created	O
by	O
Microsoft	O
in	O
the	O
1990s	O
,	O
but	O
Eurogamer	O
commented	O
that	O
Minesweeper	B-Application
gained	O
a	O
lot	O
of	O
inspiration	O
from	O
a	O
"	O
lesser	O
known	O
,	O
tightly	O
designed	O
game	O
"	O
,	O
Mined-Out	B-Application
by	O
Ian	O
Andrew	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
in	O
1983	O
.	O
</s>
<s>
According	O
to	O
Andrew	O
,	O
Microsoft	O
copied	O
Mined-Out	B-Application
for	O
Microsoft	B-Application
Minesweeper	I-Application
.	O
</s>
<s>
The	O
Microsoft	O
version	O
made	O
its	O
first	O
appearance	O
in	O
1990	O
,	O
in	O
Windows	B-Application
Entertainment	I-Application
Pack	I-Application
,	O
which	O
was	O
given	O
as	O
part	O
of	O
Windows	B-Application
3.11	I-Application
.	O
</s>
<s>
Johnson	O
stated	O
that	O
Microsoft	B-Application
Minesweeper	I-Application
's	O
design	O
was	O
borrowed	O
from	O
another	O
game	O
,	O
but	O
it	O
was	O
not	O
Mined-Out	B-Application
,	O
and	O
he	O
does	O
not	O
remember	O
which	O
game	O
it	O
was	O
.	O
</s>
<s>
In	O
2001	O
,	O
a	O
group	O
called	O
the	O
International	O
Campaign	O
to	O
Ban	O
Winmine	B-Application
campaigned	O
for	O
the	O
game	O
's	O
topic	O
to	O
be	O
changed	O
from	O
landmines	O
.	O
</s>
<s>
A	O
later	O
version	O
,	O
found	O
present	O
in	O
Windows	B-Application
Vista	I-Application
's	O
Minesweeper	B-Application
offered	O
a	O
tileset	O
with	O
flowers	O
replacing	O
mines	O
as	O
a	O
response	O
.	O
</s>
<s>
The	O
game	O
is	O
frequently	O
bundled	O
with	O
operating	B-General_Concept
systems	I-General_Concept
and	O
desktop	O
environments	O
,	O
including	O
Minesweeper	B-Application
for	O
IBM	O
's	O
OS/2	B-Application
,	O
Microsoft	B-Application
Windows	I-Application
,	O
KDE	B-Application
,	O
GNOME	B-Application
and	O
Palm	B-Operating_System
OS	I-Operating_System
.	O
</s>
<s>
Microsoft	B-Application
Minesweeper	I-Application
was	O
included	O
by	O
default	O
in	O
Windows	O
until	O
Windows	B-Application
8	I-Application
(	O
2012	O
)	O
.	O
</s>
<s>
Microsoft	O
replaced	O
this	O
with	O
a	O
free-to-play	O
version	O
of	O
the	O
game	O
,	O
downloadable	O
from	O
the	B-Application
Microsoft	I-Application
Store	I-Application
,	O
which	O
is	O
"	O
riddled	O
with	O
ads	O
"	O
,	O
according	O
to	O
How-To	O
Geek	O
.	O
</s>
<s>
Variants	O
of	O
Minesweeper	B-Application
have	O
been	O
made	O
that	O
expand	O
on	O
the	O
basic	O
concepts	O
and	O
add	O
new	O
game	O
design	O
elements	O
.	O
</s>
<s>
Minesweeper	B-Application
X	O
is	O
a	O
clone	O
of	O
the	O
Microsoft	O
version	O
with	O
improved	O
randomization	O
and	O
more	O
statistics	O
,	O
and	O
is	O
popular	O
with	O
players	O
of	O
the	O
game	O
intending	O
to	O
reach	O
a	O
fast	O
time	O
.	O
</s>
<s>
Arbiter	O
and	O
Viennasweeper	O
are	O
also	O
clones	O
,	O
and	O
are	O
used	O
similarly	O
to	O
Minesweeper	B-Application
X	O
.	O
Crossmines	O
is	O
a	O
more	O
complex	O
version	O
of	O
the	O
game	O
's	O
base	O
idea	O
,	O
adding	O
linked	O
mines	O
and	O
irregular	O
blocks	O
.	O
</s>
<s>
There	O
are	O
several	O
direct	O
clones	O
of	O
Microsoft	B-Application
Minesweeper	I-Application
available	O
online	O
.	O
</s>
<s>
Minesweeper	B-Application
was	O
made	O
part	O
of	O
RuneScape	B-Protocol
through	O
a	O
minigame	O
called	O
Vinesweeper	O
.	O
</s>
<s>
The	O
non-Japanese	O
releases	O
of	O
Pokémon	B-Application
HeartGold	I-Application
and	I-Application
SoulSilver	I-Application
contained	O
a	O
variation	O
of	O
both	O
Minesweeper	B-Application
and	O
Picross	O
.	O
</s>
<s>
The	O
video	O
game	O
Minecraft	B-Application
released	O
a	O
version	O
of	O
Minesweeper	B-Application
in	O
its	O
2015	O
April	O
Fool	O
's	O
update	O
.	O
</s>
<s>
The	O
HP-48G	B-Device
graphing	B-Application
calculator	I-Application
includes	O
a	O
variant	O
called	O
"	O
Minehunt	O
"	O
,	O
where	O
the	O
player	O
has	O
to	O
move	O
safely	O
from	O
one	O
corner	O
of	O
the	O
playfield	O
to	O
the	O
other	O
.	O
</s>
<s>
Google	O
search	O
includes	O
a	O
version	O
of	O
Minesweeper	B-Application
as	O
an	O
easter	O
egg	O
,	O
available	O
by	O
searching	O
the	O
game	O
's	O
name	O
.	O
</s>
<s>
A	O
logic	O
puzzle	O
variant	O
of	O
minesweeper	B-Application
,	O
suitable	O
for	O
playing	O
on	O
paper	O
,	O
starts	O
with	O
some	O
squares	O
already	O
revealed	O
.	O
</s>
<s>
Unlike	O
the	O
usual	O
form	O
of	O
minesweeper	B-Application
,	O
these	O
puzzles	O
usually	O
have	O
a	O
unique	O
solution	O
.	O
</s>
<s>
Competitive	O
Minesweeper	B-Application
players	O
aim	O
to	O
complete	O
the	O
game	O
as	O
fast	O
as	O
possible	O
.	O
</s>
<s>
A	O
community	O
of	O
dedicated	O
players	O
has	O
emerged	O
;	O
this	O
community	O
was	O
centralized	O
on	O
websites	O
such	O
as	O
Minesweeper.info	O
.	O
</s>
<s>
As	O
of	O
2015	O
,	O
according	O
to	O
the	O
Guinness	O
Book	O
of	O
World	O
Records	O
,	O
the	O
fastest	O
time	O
to	O
complete	O
all	O
three	O
difficulties	O
of	O
Minesweeper	B-Application
is	O
38.65	O
seconds	O
by	O
Kamil	O
Murański	O
in	O
2014	O
.	O
</s>
<s>
If	O
,	O
however	O
,	O
a	O
minesweeper	B-Application
board	O
is	O
already	O
guaranteed	O
to	O
be	O
consistent	O
,	O
solving	O
it	O
is	O
not	O
known	O
to	O
be	O
NP-complete	O
,	O
but	O
it	O
has	O
been	O
proven	O
to	O
be	O
co-NP-complete	O
.	O
</s>
<s>
In	O
the	O
latter	O
case	O
,	O
however	O
,	O
minesweeper	B-Application
exhibits	O
a	O
phase	O
transition	O
analogous	O
to	O
-SAT	O
:	O
when	O
more	O
than	O
25%	O
squares	O
are	O
mined	O
,	O
solving	O
a	O
board	O
requires	O
guessing	O
an	O
exponentially-unlikely	O
set	O
of	O
mines	O
.	O
</s>
<s>
Kaye	O
also	O
proved	O
that	O
infinite	O
Minesweeper	B-Application
is	O
Turing-complete	O
.	O
</s>
