<s>
Aztec	B-Application
Challenge	I-Application
refers	O
to	O
either	O
of	O
two	O
early	O
action	B-Application
video	I-Application
games	I-Application
published	O
by	O
COSMI	O
,	O
as	O
well	O
as	O
two	O
subsequent	O
remakes	O
.	O
</s>
<s>
In	O
all	O
game	O
versions	O
the	O
player	O
takes	O
control	O
of	O
a	O
running	O
Aztec	B-Application
warrior	O
.	O
</s>
<s>
The	O
first	O
was	O
a	O
side-scrolling	O
platform-jumping	O
game	O
created	O
by	O
Robert	O
Tegel	O
Bonifacio	O
and	O
released	O
in	O
1982	O
for	O
the	O
Atari	B-Device
8-bit	I-Device
family	I-Device
.	O
</s>
<s>
The	O
original	O
version	O
of	O
the	O
game	O
on	O
the	O
Atari	B-Device
8-bit	I-Device
computers	I-Device
presented	O
itself	O
as	O
a	O
side-scroller	O
,	O
with	O
the	O
player	O
's	O
character	O
running	O
continuously	O
from	O
left	O
to	O
right	O
as	O
the	O
background	O
and	O
path	O
continuously	O
scrolled	O
.	O
</s>
<s>
There	O
was	O
more	O
than	O
one	O
different	O
version	O
of	O
Aztec	B-Application
Challenge	I-Application
on	O
the	O
Atari	B-Device
8-bit	I-Device
,	O
although	O
(	O
unlike	O
the	O
very	O
different	O
Commodore	O
64	O
release	O
)	O
all	O
featured	O
the	O
same	O
basic	O
side-scrolling	O
gameplay	O
.	O
</s>
<s>
The	O
game	O
was	O
originally	O
released	O
as	O
The	O
Bonifas	O
through	O
the	O
Atari	B-Application
Program	I-Application
Exchange	I-Application
under	O
a	O
non-exclusive	O
agreement	O
.	O
</s>
<s>
However	O
,	O
the	O
title	O
was	O
picked	O
up	O
almost	O
immediately	O
for	O
distribution	O
by	O
Cosmi	O
,	O
who	O
renamed	O
it	O
Aztec	B-Application
Challenge	I-Application
and	O
had	O
a	O
simultaneous	O
two-player	O
option	O
added	O
.	O
</s>
<s>
In	O
1983	O
,	O
Cosmi	O
released	O
another	O
version	O
(	O
still	O
sold	O
as	O
Aztec	B-Application
Challenge	I-Application
)	O
featuring	O
significantly	O
improved	O
graphics	O
,	O
but	O
similar	O
gameplay	O
.	O
</s>
<s>
On	O
the	O
left	O
and	O
right	O
are	O
Aztecs	B-Application
who	O
throw	O
spears	O
at	O
the	O
player	O
,	O
who	O
must	O
duck	O
under	O
the	O
spear	O
or	O
jump	O
over	O
it	O
(	O
depending	O
on	O
the	O
height	O
the	O
spear	O
is	O
coming	O
at	O
)	O
.	O
</s>
<s>
A	O
clone	O
of	O
Paul	O
Norman	O
's	O
Commodore	O
64	O
version	O
of	O
Aztec	B-Application
Challenge	I-Application
was	O
released	O
in	O
2006	O
for	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
as	O
A-VCS-tec	O
Challenge''	O
.	O
</s>
