<s>
Back	B-Application
to	I-Application
Skool	I-Application
is	O
a	O
video	O
game	O
,	O
sequel	O
to	O
the	O
Skool	B-Application
Daze	I-Application
,	O
created	O
by	O
David	O
Reidy	O
(	O
whose	O
wife	O
Helen	O
was	O
a	O
school	O
teacher	O
at	O
the	O
time	O
)	O
with	O
graphics	O
by	O
Keith	O
Warrington	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
released	O
by	O
Microsphere	O
in	O
1985	B-Application
.	O
</s>
<s>
The	O
gameplay	O
is	O
very	O
similar	O
to	O
-	O
if	O
more	O
advanced	O
than	O
-	O
Skool	B-Application
Daze	I-Application
,	O
incorporating	O
most	O
of	O
the	O
same	O
characters	O
,	O
gameplay	O
elements	O
and	O
graphics	O
.	O
</s>
<s>
Elements	O
added	O
in	O
Back	B-Application
to	I-Application
Skool	I-Application
include	O
stink	O
bombs	O
(	O
used	O
to	O
trigger	O
the	O
opening	O
of	O
windows	O
)	O
,	O
water	O
pistols	O
,	O
mice	O
that	O
can	O
be	O
released	O
in	O
the	O
girls	O
 '	O
school	O
causing	O
widespread	O
panic	O
,	O
and	O
sherry	O
(	O
which	O
can	O
be	O
squirted	O
into	O
cups	O
and	O
used	O
to	O
"	O
intoxicate	O
"	O
teachers	O
by	O
splashing	O
it	O
on	O
them	O
with	O
correct	O
timing	O
)	O
.	O
</s>
