<s>
Doodle	B-Operating_System
God	I-Operating_System
is	O
a	O
puzzle	O
video	O
game	O
developed	O
by	O
JoyBits	O
and	O
originally	O
released	O
for	O
iOS	B-Application
and	O
Adobe	B-Operating_System
Flash	I-Operating_System
.	O
</s>
<s>
It	O
released	O
around	O
the	O
same	O
time	O
as	O
another	O
similar	O
browser	B-Protocol
game	I-Protocol
Little	O
Alchemy	O
,	O
both	O
of	O
which	O
share	O
gameplay	O
inspired	O
by	O
a	O
DOS	B-Device
game	O
Alchemy	O
from	O
1997	O
.	O
</s>
<s>
Acting	O
as	O
the	O
Doodle	B-Operating_System
God	I-Operating_System
,	O
the	O
player	O
must	O
combine	O
available	O
elements	O
together	O
to	O
gain	O
access	O
to	O
new	O
elements	O
.	O
</s>
<s>
Combinations	O
can	O
be	O
both	O
physical	O
(	O
such	O
as	O
combining	O
Water	O
and	O
Lava	B-Application
to	O
obtain	O
Steam	O
and	O
Stone	O
)	O
and	O
metaphorical	O
(	O
such	O
as	O
combining	O
Water	O
and	O
Fire	O
to	O
obtain	O
Alcohol	O
)	O
.	O
</s>
<s>
Doodle	B-Operating_System
God	I-Operating_System
received	O
the	O
Weekly	O
Users	O
 '	O
Choice	O
award	O
on	O
a	O
web	B-Protocol
game	I-Protocol
portal	O
Newgrounds	B-Operating_System
.	O
</s>
<s>
The	O
game	O
became	O
a	O
commercial	O
success	O
and	O
has	O
made	O
it	O
JoyBits	O
 '	O
flagship	O
series	O
of	O
games	O
,	O
having	O
sequels	O
and	O
spin-offs	O
such	O
as	O
Doodle	O
Devil	O
,	O
Doodle	B-Operating_System
Kingdom	I-Operating_System
,	O
Doodle	O
Creatures	O
,	O
Doodle	O
Tanks	O
and	O
Doodle	O
Farm	O
.	O
</s>
