<s>
Jetpack	B-Application
is	O
a	O
platform	O
game	O
available	O
as	O
freeware	B-License
,	O
developed	O
by	O
American	O
studio	O
Adept	O
Software	O
and	O
originally	O
published	O
as	O
shareware	B-License
by	O
Software	O
Creations	O
in	O
1993	O
.	O
</s>
<s>
The	O
object	O
of	O
the	O
levels	O
is	O
to	O
collect	O
all	O
of	O
the	O
green	O
emeralds	B-Language
scattered	O
around	O
the	O
level	O
while	O
avoiding	O
obstacles	O
and	O
enemies	O
.	O
</s>
<s>
The	O
player	O
is	O
aided	O
in	O
his	O
quest	O
by	O
a	O
jetpack	B-Application
and	O
a	O
phase	O
shifter	O
,	O
which	O
allows	O
tunnelling	O
through	O
certain	O
walls	O
.	O
</s>
<s>
In	O
order	O
to	O
keep	O
his	O
jetpack	B-Application
running	O
,	O
the	O
player	O
has	O
to	O
collect	O
fuel	O
,	O
by	O
means	O
of	O
single/double	O
tanks	O
or	O
fuel	O
grids	O
.	O
</s>
<s>
Jetpack	B-Application
was	O
released	O
in	O
several	O
variations	O
,	O
including	O
a	O
Christmas	O
version	O
with	O
completely	O
different	O
levels	O
,	O
where	O
the	O
player	O
became	O
Santa	O
and	O
ran	O
around	O
leaving	O
presents	O
at	O
Christmas	O
trees	O
instead	O
of	O
collecting	O
emeralds	B-Language
.	O
</s>
<s>
A	O
sequel	O
,	O
Jetpack	B-Application
2	O
,	O
was	O
announced	O
in	O
early	O
2008	O
.	O
</s>
