<s>
Palace	B-Application
of	I-Application
Magic	I-Application
is	O
a	O
platform	O
game	O
released	O
on	O
1	O
November	O
1987	O
for	O
the	O
Acorn	B-Device
Electron	I-Device
and	O
BBC	B-Device
Micro	I-Device
by	O
Superior	B-Device
Software	I-Device
.	O
</s>
<s>
Combining	O
platform	O
elements	O
with	O
problem	O
solving	O
,	O
it	O
similar	O
gameplay	O
to	O
the	O
earlier	O
Citadel	B-Application
.	O
</s>
<s>
The	O
game	O
begins	O
with	O
the	O
player	O
character	O
in	O
a	O
palace	O
,	O
having	O
been	O
shrunk	O
and	O
taken	O
out	O
of	O
your	O
normal	O
place	O
and	O
time	O
by	O
an	O
evil	O
wizard	O
called	O
Caldeti	O
(	O
an	O
anagram	O
of	O
Citadel	B-Application
)	O
.	O
</s>
<s>
The	O
objective	O
is	O
to	O
magically	O
restore	O
the	O
character	O
to	O
his	O
original	O
size	O
and	O
find	O
the	O
teleporter	B-General_Concept
to	O
their	O
home	O
world	O
.	O
</s>
<s>
This	O
involves	O
moving	O
through	O
the	O
Palace	O
and	O
other	O
locations	O
such	O
as	O
a	O
church	O
,	O
woods	O
,	O
and	O
dungeon	B-Application
,	O
overcoming	O
obstacles	O
and	O
enemies	O
along	O
the	O
way	O
.	O
</s>
<s>
The	O
player	O
is	O
not	O
automatically	O
killed	O
if	O
they	O
come	O
into	O
contact	O
with	O
hazards	B-General_Concept
;	O
instead	O
the	O
player	O
is	O
allocated	O
a	O
set	O
amount	O
of	O
energy	O
(	O
but	O
this	O
time	O
measured	O
by	O
a	O
bar	O
,	O
subdivided	O
into	O
units	O
)	O
,	O
which	O
is	O
depleted	O
through	O
contact	O
,	O
and	O
can	O
be	O
replenished	O
by	O
collecting	O
objects	O
shaped	O
like	O
top	O
hats	O
.	O
</s>
<s>
As	O
in	O
Citadel	B-Application
,	O
the	O
game	O
is	O
divided	O
into	O
'	O
rooms	O
 '	O
or	O
screens	O
and	O
if	O
the	O
player	O
loses	O
too	O
much	O
energy	O
in	O
a	O
room	O
,	O
the	O
screen	O
turns	O
red	O
and	O
the	O
player	O
is	O
transported	O
back	O
to	O
where	O
they	O
entered	O
the	O
room	O
.	O
</s>
<s>
Other	O
similarities	O
to	O
Citadel	B-Application
include	O
:	O
</s>
<s>
Various	O
objects	O
are	O
scattered	O
throughout	O
the	O
game	O
which	O
must	O
be	O
collected	O
to	O
overcome	O
obstacles	O
and	O
hazards	B-General_Concept
.	O
</s>
<s>
The	O
player	O
sprite	O
is	O
not	O
superimposed	O
over	O
objects	O
that	O
it	O
walks	O
"	O
in	O
front	O
"	O
of	O
;	O
rather	O
,	O
the	O
colour	O
of	O
the	O
pixels	B-Algorithm
of	O
the	O
character	O
sprite	O
is	O
overlaid	O
,	O
using	O
an	O
XOR	B-Application
bitwise	O
operation	O
,	O
with	O
the	O
colour	O
of	O
the	O
superimposed	O
object	O
,	O
resulting	O
in	O
a	O
completely	O
different	O
colour	O
.	O
</s>
<s>
The	O
BBC	O
version	O
also	O
includes	O
a	O
vertical	O
hardware	O
scroll	O
when	O
the	O
player	O
strikes	O
the	O
ground	O
after	O
a	O
long	O
fall	O
,	O
and	O
flickering	O
pixels	B-Algorithm
above	O
the	O
collectible	O
top	O
hats	O
.	O
</s>
