<s>
Junk	B-Application
Jack	I-Application
is	O
an	O
action-adventure	O
sandbox	O
video	O
game	O
by	O
Italian	O
developer	O
Pixbits	B-Application
,	O
originally	O
released	O
on	O
iOS	B-Application
in	O
2011	O
.	O
</s>
<s>
A	O
sequel	O
entitled	O
Junk	B-Application
Jack	I-Application
X	I-Application
was	O
released	O
on	O
August	O
29	O
,	O
2013	O
.	O
</s>
<s>
Junk	B-Application
Jack	I-Application
X	I-Application
has	O
recently	O
been	O
renamed	O
to	O
Junk	B-Application
Jack	I-Application
,	O
and	O
the	O
original	O
game	O
has	O
been	O
renamed	O
to	O
Junk	B-Application
Jack	I-Application
Retro	O
.	O
</s>
<s>
Junk	B-Application
Jack	I-Application
is	O
a	O
2D	O
sandbox	O
game	O
where	O
the	O
player	O
collects	O
resources	O
and	O
aims	O
to	O
explore	O
and	O
survive	O
in	O
a	O
randomly	O
generated	O
environment	O
full	O
of	O
treasures	O
and	O
hidden	O
secrets	O
,	O
filled	O
with	O
biomes	O
on	O
the	O
surface	O
and	O
underground	O
.	O
</s>
<s>
However	O
,	O
Junk	B-Application
Jack	I-Application
contains	O
obtainable	O
items	O
to	O
travel	O
to	O
other	O
worlds	O
,	O
an	O
action	O
that	O
the	O
game	O
strongly	O
recommends	O
players	O
do	O
.	O
</s>
<s>
The	O
pair	O
met	O
on	O
multiplayer	O
in	O
Minecraft	O
,	O
and	O
decided	O
to	O
collaborate	O
on	O
a	O
similar	O
game	O
for	O
the	O
iPhone	O
;	O
at	O
that	O
point	O
there	O
were	O
no	O
iOS	B-Application
sandbox	O
games	O
.	O
</s>
<s>
Gamezebo	O
appreciated	O
the	O
extra	O
easing-in	O
the	O
game	O
does	O
to	O
help	O
keep	O
players	O
who	O
may	O
have	O
left	O
Junk	B-Application
Jack	I-Application
due	O
to	O
frustration	O
over	O
difficulty	O
.	O
</s>
<s>
At	O
April	O
27	O
,	O
Pixbits	B-Application
released	O
Junk	B-Application
Jack	I-Application
X	I-Application
for	O
steam	O
,	O
but	O
they	O
have	O
now	O
returned	O
the	O
game	O
to	O
the	O
original	O
title	O
"	O
Junk	B-Application
Jack	I-Application
"	O
.	O
</s>
