<s>
Pigskin	B-Application
621	I-Application
A.D.	I-Application
is	O
an	O
arcade	O
game	O
released	O
in	O
1990	O
by	O
Midway	O
Manufacturing	O
under	O
the	O
"	O
Bally	O
Midway	O
"	O
label	O
.	O
</s>
<s>
Two	O
teams	O
compete	O
to	O
score	O
as	O
many	O
touchdowns	O
as	O
possible	O
in	O
the	O
tradition	O
of	O
American	B-Application
football	I-Application
,	O
but	O
actual	O
play	O
is	O
more	O
similar	O
to	O
rugby	O
football	O
.	O
</s>
<s>
A	O
version	O
for	O
the	O
Sega	B-Operating_System
Genesis	I-Operating_System
,	O
retitled	O
Pigskin	B-Application
Footbrawl	I-Application
and	O
endorsed	O
by	O
coach	O
Jerry	O
Glanville	O
,	O
was	O
released	O
by	O
Razor	O
Soft	O
on	O
December	O
18	O
,	O
1992	O
.	O
</s>
<s>
At	O
one	O
time	O
,	O
the	O
makers	O
of	O
Pigskin	B-Application
621	I-Application
A.D.	I-Application
offered	O
tickets	O
to	O
the	O
Super	O
Bowl	O
as	O
part	O
of	O
a	O
sweepstakes	O
promotion	O
associated	O
with	O
the	O
arcade	O
game	O
.	O
</s>
<s>
Designers	O
Jeff	O
Nauman	O
and	O
Brian	O
Colin	O
had	O
previously	O
worked	O
on	O
the	O
Midway	O
Games	O
Arch	B-Application
Rivals	I-Application
and	O
Rampage	B-Application
,	O
which	O
are	O
referenced	O
in	O
the	O
game	O
's	O
tagline	O
"	O
Ancient	O
Archrivals	O
on	O
a	O
Rampage.	O
"	O
</s>
<s>
Pigskin	O
is	O
the	O
last	O
of	O
only	O
seven	O
games	O
made	O
for	O
Midway	O
's	O
MCR-68k	O
system	O
before	O
completely	O
switching	O
over	O
to	O
newer	O
TMS34010	B-General_Concept
based	O
systems	O
.	O
</s>
