<s>
A	O
falling-sand	B-Language
game	I-Language
is	O
a	O
genre	O
of	O
video	O
game	O
and	O
subgenre	O
of	O
sandbox	O
games	O
using	O
a	O
two-dimensional	O
particle	O
game	O
engine	O
or	O
a	O
cellular	O
automaton	O
.	O
</s>
<s>
In	O
falling-sand	B-Language
games	I-Language
,	O
the	O
user	O
can	O
interact	O
with	O
(	O
e.g.	O
</s>
<s>
Despite	O
the	O
name	O
,	O
falling-sand	B-Language
games	I-Language
typically	O
contain	O
a	O
multitude	O
of	O
materials	O
besides	O
sand	O
,	O
often	O
called	O
"	O
elements	O
"	O
.	O
</s>
<s>
Title	O
Year	O
Platform	O
Details	O
Falling	B-Language
sand	I-Language
game	I-Language
2005	O
Java	O
Also	O
called	O
"	O
Hell	O
of	O
Sand	O
"	O
or	O
"	O
World	O
of	O
sand	O
"	O
.	O
</s>
<s>
The	O
first	O
known	O
popular	O
example	O
in	O
the	O
"	O
falling-sand	O
"	O
genre	O
was	O
a	O
web-based	O
Java	B-Application
applet	I-Application
on	O
the	O
Japanese	O
Dofi-Blog	O
in	O
2005	O
which	O
was	O
later	O
expanded	O
and	O
rehosted	O
as	O
the	O
"	O
Falling	B-Language
sand	I-Language
game	I-Language
"	O
,	O
which	O
kick-started	O
the	O
genre	O
as	O
a	O
trend	O
and	O
gave	O
it	O
its	O
name	O
.	O
</s>
