<s>
Push-Over	B-Application
is	O
a	O
puzzle-platform	O
game	O
developed	O
by	O
Red	O
Rat	O
Software	O
and	O
published	O
by	O
Ocean	O
Software	O
in	O
1992	O
for	O
the	O
Amiga	B-Device
,	O
Atari	B-Device
ST	I-Device
,	O
MS-DOS	B-Application
,	O
and	O
the	O
Super	B-Application
Nintendo	I-Application
Entertainment	I-Application
System	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
sponsored	O
by	O
Smiths	O
 '	O
British	O
snack	O
Quavers	O
(	O
now	O
owned	O
by	O
Walkers	O
)	O
,	O
and	O
the	O
plot	O
revolves	O
around	O
the	O
then	O
Quavers	O
mascot	B-Application
Colin	O
Curly	O
losing	O
his	O
Quavers	O
packets	O
down	O
a	O
giant	O
ant	O
hill	O
.	O
</s>
<s>
The	O
Super	B-Application
NES	I-Application
version	O
lacks	O
the	O
Quavers	O
branding	O
,	O
and	O
instead	O
the	O
aim	O
is	O
to	O
recover	O
bundles	O
of	O
cash	O
dropped	O
down	O
the	O
ant	O
hill	O
by	O
Captain	O
Rat	O
.	O
</s>
<s>
Each	O
level	O
features	O
several	O
interconnected	O
platforms	O
holding	O
a	O
number	O
of	O
"	O
dominoes	B-Operating_System
"	O
.	O
</s>
<s>
The	O
aim	O
is	O
to	O
rearrange	O
the	O
dominoes	B-Operating_System
,	O
such	O
that	O
with	O
a	O
single	O
push	O
,	O
all	O
of	O
the	O
dominoes	B-Operating_System
are	O
toppled	O
,	O
thus	O
opening	O
the	O
exit	O
to	O
the	O
next	O
level	O
.	O
</s>
<s>
There	O
are	O
11	O
different	O
types	O
of	O
domino	B-Operating_System
,	O
identified	O
by	O
red	O
and	O
yellow	O
patterns	O
,	O
each	O
with	O
different	O
actions	O
.	O
</s>
<s>
Ant	O
,	O
who	O
can	O
move	O
certain	O
dominoes	B-Operating_System
by	O
carrying	O
them	O
one	O
at	O
a	O
time	O
.	O
</s>
<s>
As	O
well	O
as	O
toppling	O
all	O
of	O
the	O
dominoes	B-Operating_System
,	O
the	O
player	O
must	O
be	O
able	O
to	O
access	O
the	O
exit	O
door	O
once	O
the	O
dominoes	B-Operating_System
have	O
fallen	O
.	O
</s>
<s>
For	O
instance	O
,	O
the	O
player	O
will	O
be	O
unable	O
to	O
reach	O
the	O
exit	O
if	O
a	O
ledge	O
leading	O
to	O
the	O
exit	O
has	O
been	O
destroyed	O
,	O
or	O
if	O
a	O
gap	O
leading	O
to	O
the	O
exit	O
has	O
not	O
been	O
bridged	O
,	O
or	O
if	O
a	O
line	O
of	O
dominoes	B-Operating_System
lie	O
across	O
the	O
exit	O
.	O
</s>
<s>
Ant	O
may	O
die	O
by	O
falling	O
from	O
a	O
large	O
height	O
,	O
by	O
falling	O
off	O
the	O
bottom	O
of	O
the	O
screen	O
,	O
or	O
by	O
being	O
crushed	O
under	O
a	O
falling	O
domino	B-Operating_System
.	O
</s>
<s>
Also	O
,	O
the	O
level	O
will	O
be	O
failed	O
if	O
any	O
dominoes	B-Operating_System
are	O
destroyed	O
by	O
landing	O
one	O
domino	B-Operating_System
on	O
top	O
of	O
another	O
.	O
</s>
<s>
The	O
themed	O
worlds	O
,	O
in	O
order	O
,	O
are	O
an	O
industrial	O
complex	O
,	O
an	O
Aztec	B-Application
world	O
,	O
a	O
space	O
station	O
,	O
an	O
electronic	O
world	O
,	O
a	O
Greek	O
temple	O
,	O
a	O
Medieval	O
castle	O
,	O
a	O
Meccano-inspired	O
world	O
,	O
a	O
dungeon	O
and	O
a	O
Japanese	O
temple	O
.	O
</s>
<s>
Many	O
of	O
the	O
early	O
levels	O
are	O
tutorials	O
demonstrating	O
how	O
each	O
type	O
of	O
domino	B-Operating_System
will	O
act	O
.	O
</s>
<s>
The	O
final	O
level	O
,	O
level	O
100	O
,	O
must	O
be	O
completed	O
using	O
dominoes	B-Operating_System
with	O
hidden	O
markings	O
.	O
</s>
<s>
Additionally	O
,	O
upon	O
completing	O
a	O
level	O
the	O
player	O
gains	O
a	O
token	O
,	O
which	O
once	O
a	O
level	O
has	O
been	O
failed	O
,	O
allows	O
the	O
player	O
to	O
return	O
to	O
the	O
point	O
before	O
the	O
domino	B-Operating_System
push	O
,	O
rather	O
than	O
having	O
to	O
return	O
to	O
the	O
initial	O
state	O
of	O
the	O
level	O
.	O
</s>
<s>
Entertainment	O
Weekly	O
gave	O
the	O
game	O
a	O
B	O
-	O
and	O
wrote	O
that	O
"	O
The	O
theme	O
of	O
Pushover	B-Application
(	O
Ocean	O
of	O
America	O
,	O
for	O
Super	B-Application
NES	I-Application
)	O
is	O
ingenious	O
—	O
players	O
have	O
to	O
line	O
up	O
10	O
kinds	O
of	O
dominoes	B-Operating_System
,	O
then	O
get	O
them	O
all	O
to	O
fall	O
with	O
a	O
single	O
push	O
—	O
but	O
the	O
static	O
execution	O
will	O
have	O
small	O
kids	O
dozing	O
off	O
way	O
before	O
their	O
bedtime.	O
"	O
</s>
