<s>
Quantum	B-Application
Moves	I-Application
is	O
an	O
online	O
citizen	O
science	O
simulation	O
video	O
game	O
where	O
players	O
move	O
quantum	O
atoms	O
.	O
</s>
<s>
Approaching	O
the	O
presumed	O
quantum	O
speed	O
limit	O
is	O
a	O
huge	O
challenge	O
for	O
quantum	O
algorithms	O
and	O
the	O
task	O
that	O
Quantum	B-Application
Moves	I-Application
players	O
are	O
asked	O
to	O
tackle	O
.	O
</s>
<s>
In	O
Quantum	B-Application
Moves	I-Application
,	O
the	O
atomic	O
wave	O
function	O
is	O
represented	O
as	O
a	O
sloshy	O
liquid	O
in	O
an	O
energy	O
potential	O
well	O
created	O
by	O
the	O
optical	O
tweezers	O
.	O
</s>
<s>
In	O
2012	O
,	O
the	O
first	O
version	O
of	O
the	O
game	O
was	O
developed	O
in	O
the	O
programming	O
language	O
MATLAB	B-Language
and	O
tested	O
in	O
several	O
high	O
schools	O
across	O
Denmark	O
.	O
</s>
<s>
In	O
the	O
summer	O
of	O
2012	O
,	O
the	O
game	O
was	O
translated	O
into	O
Java	B-Language
and	O
the	O
first	O
version	O
of	O
Quantum	B-Application
Moves	I-Application
was	O
released	O
.	O
</s>
<s>
Since	O
then	O
,	O
Quantum	B-Application
Moves	I-Application
has	O
been	O
built	O
in	O
Unity	O
multi-platform	B-Operating_System
development	O
engine	O
and	O
released	O
in	O
the	O
App	B-Application
Store	I-Application
and	O
Google	B-Application
Play	I-Application
for	O
use	O
in	O
touch	O
screen	O
devices	O
.	O
</s>
<s>
,	O
Quantum	B-Application
Moves	I-Application
had	O
been	O
played	O
over	O
8	O
million	O
times	O
by	O
more	O
than	O
200,000	O
players	O
worldwide	O
.	O
</s>
<s>
In	O
April	O
2016	O
,	O
the	O
journal	O
Nature	O
published	O
an	O
article	O
"	O
Exploring	O
the	O
quantum	O
speed	O
limit	O
with	O
computer	O
games	O
"	O
,	O
detailing	O
the	O
analysis	O
of	O
one	O
of	O
the	O
levels	O
in	O
Quantum	B-Application
Moves	I-Application
called	O
BringHomeWater	O
.	O
</s>
<s>
The	O
sequel	O
game	O
,	O
Quantum	B-Application
Moves	I-Application
2	O
,	O
was	O
launched	O
in	O
2018	O
in	O
conjunction	O
with	O
the	O
Danish	O
ReGAME	O
Cup	O
designed	O
to	O
teach	O
students	O
via	O
research-enabling	O
,	O
citizen	O
science	O
games	O
.	O
</s>
<s>
As	O
of	O
2021	O
,	O
Quantum	B-Application
Moves	I-Application
2	O
has	O
been	O
played	O
by	O
more	O
than	O
3600	O
unique	O
players	O
.	O
</s>
