<s>
Iron	B-Application
Sky	I-Application
:	I-Application
Invasion	I-Application
is	O
an	O
official	O
video	O
game	O
based	O
on	O
the	O
2012	O
Finnish	O
science	O
fiction	O
comedy	O
Iron	O
Sky	O
.	O
</s>
<s>
Iron	B-Application
Sky	I-Application
:	I-Application
Invasion	I-Application
is	O
a	O
space	O
fighter	O
simulator	O
,	O
enhanced	O
with	O
strategic	B-Application
and	O
RPG	O
elements	O
,	O
set	O
in	O
the	O
universe	O
of	O
Iron	O
Sky	O
and	O
expanding	O
upon	O
its	O
foundations	O
.	O
</s>
<s>
The	O
core	O
of	O
the	O
gameplay	O
is	O
based	O
on	O
ship-to-ship	O
dogfights	B-Device
,	O
combined	O
with	O
assaults	O
on	O
giant	O
spaceships	O
(	O
such	O
as	O
the	O
space	O
Zeppelins	B-Application
,	O
portrayed	O
in	O
the	O
film	O
)	O
,	O
as	O
well	O
as	O
tactical	O
thinking	O
and	O
resource	O
management	O
.	O
</s>
<s>
It	O
was	O
released	O
in	O
Europe	O
on	O
December	O
12	O
,	O
2012	O
,	O
for	O
the	O
Windows	O
,	O
Xbox	B-Operating_System
360	I-Operating_System
,	O
PlayStation	B-Operating_System
3	I-Operating_System
,	O
iOS	B-Application
,	O
Android	B-Application
and	O
Mac	B-Application
OS	I-Application
platforms	O
.	O
</s>
<s>
There	O
are	O
weapons	O
and	O
equipment	O
at	O
their	O
disposal	O
,	O
from	O
offensive	O
systems	O
to	O
defensive	O
drones	O
and	O
satellites	B-Application
.	O
</s>
