<s>
Strike	B-Application
Force	I-Application
is	O
a	O
horizontally	O
scrolling	O
shooter	O
released	O
in	O
arcades	O
by	O
Midway	O
in	O
1991	B-Application
.	O
</s>
<s>
In	O
the	O
same	O
way	O
that	O
1990	O
's	O
Smash	B-Application
TV	I-Application
is	O
a	O
modernized	O
reimagining	O
of	O
Robotron	B-Application
:	I-Application
2084	I-Application
with	O
two-player	O
simultaneous	O
play	O
,	O
Strike	B-Application
Force	I-Application
is	O
a	O
modernized	O
reimagining	O
of	O
Defender	B-Application
with	O
two-player	O
simultaneous	O
play	O
.	O
</s>
<s>
Strike	B-Application
Force	I-Application
was	O
not	O
widely	O
distributed	O
and	O
was	O
not	O
ported	O
to	O
any	O
home	O
systems	O
.	O
</s>
<s>
The	O
game	O
shares	O
many	O
features	O
with	O
the	O
earlier	O
Defender	B-Application
and	O
Stargate	B-Application
in	O
that	O
play	O
takes	O
place	O
in	O
a	O
horizontally	O
scrolling	O
play	O
field	O
above	O
a	O
planet	O
's	O
surface	O
on	O
which	O
humans	O
are	O
under	O
attack	O
from	O
alien	O
invaders	O
.	O
</s>
<s>
Strike	B-Application
Force	I-Application
adds	O
several	O
new	O
features	O
;	O
two	O
players	O
may	O
share	O
the	O
screen	O
at	O
one	O
time	O
,	O
and	O
either	O
player	O
may	O
press	O
the	O
start	O
button	O
to	O
change	O
into	O
a	O
"	O
turret	O
"	O
that	O
moves	O
very	O
slowly	O
,	O
but	O
has	O
greater	O
firepower	O
.	O
</s>
<s>
British	O
gaming	O
magazine	O
The	O
One	O
reviewed	O
Strike	B-Application
Force	I-Application
in	O
1991	B-Application
,	O
heavily	O
comparing	O
it	O
to	O
Midway	O
's	O
earlier	O
arcade	O
title	O
Defender	B-Application
,	O
stating	O
"	O
why	O
not	O
produce	O
an	O
updated	O
Defender	B-Application
?	O
</s>
