<s>
Spellbinder	B-Language
(	O
also	O
known	O
as	O
Waving	B-Language
Hands	I-Language
)	O
is	O
a	O
simultaneous	O
1977	O
pencil-and-paper	O
game	O
invented	O
by	O
Richard	O
Bartle	O
and	O
first	O
published	O
in	O
his	O
fanzine	O
,	O
Sauce	O
of	O
the	O
Nile	O
.	O
</s>
<s>
It	O
has	O
since	O
been	O
re-created	O
in	O
a	O
variety	O
of	O
formats	O
,	O
including	O
software	O
for	O
the	O
X	B-Operating_System
Window	I-Operating_System
System	I-Operating_System
,	O
play-by-email	O
,	O
Java	B-Application
applet	I-Application
,	O
Android	B-Application
application	I-Application
,	O
and	O
web-based	O
.	O
</s>
<s>
While	O
there	O
are	O
many	O
aspects	O
to	O
Spellbinder	B-Language
strategy	O
,	O
Bluffing	B-Application
is	O
a	O
key	O
element	O
to	O
all	O
game	O
play	O
,	O
often	O
referred	O
to	O
as	O
"	O
Shadow	O
Casting	O
"	O
.	O
</s>
<s>
Spellbinder	B-Language
may	O
be	O
regarded	O
as	O
an	O
advanced	O
variation	O
of	O
Rock	O
paper	O
scissors	O
,	O
a	O
popular	O
hand	O
game	O
often	O
played	O
between	O
2	O
players	O
.	O
</s>
<s>
Second	O
,	O
in	O
Spellbinder	B-Language
there	O
is	O
a	O
meaning	O
to	O
a	O
sequence	O
of	O
gestures	O
,	O
and	O
not	O
only	O
to	O
individual	O
gestures	O
.	O
</s>
