<s>
Crush	B-Operating_System
the	I-Operating_System
Castle	I-Operating_System
is	O
a	O
physics	O
Flash	B-Protocol
game	I-Protocol
developed	O
by	O
Armor	O
Games	O
.	O
</s>
<s>
The	O
Flash	O
version	O
was	O
released	O
on	O
April	O
28	O
,	O
2009	O
,	O
and	O
versions	O
for	O
the	O
iPhone	B-Device
and	O
iPod	B-Device
Touch	I-Device
were	O
released	O
on	O
January	O
19	O
,	O
2010	O
.	O
Notable	O
for	O
its	O
"	O
flinging	O
"	O
game	O
mechanic	O
,	O
which	O
influenced	O
the	O
popular	O
mobile	O
game	O
Angry	B-Application
Birds	I-Application
,	O
the	O
goal	O
of	O
Crush	B-Operating_System
the	I-Operating_System
Castle	I-Operating_System
is	O
to	O
kill	O
all	O
inhabitants	O
of	O
various	O
castles	O
by	O
using	O
a	O
trebuchet	O
to	O
fling	O
large	O
rocks	O
or	O
bombs	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Crush	B-Operating_System
the	I-Operating_System
Castle	I-Operating_System
2	O
,	O
has	O
similar	O
gameplay	O
,	O
but	O
features	O
new	O
maps	O
and	O
power-ups	O
.	O
</s>
<s>
Crush	B-Operating_System
the	I-Operating_System
Castle	I-Operating_System
2	O
is	O
similar	O
,	O
but	O
features	O
new	O
maps	O
,	O
new	O
power-ups	O
and	O
a	O
revamped	O
level	O
builder	O
.	O
</s>
<s>
New	O
things	O
to	O
fire	O
from	O
the	O
trebuchet	O
are	O
greek	O
fire	O
,	O
ice	O
grenades	O
,	O
jars	O
full	O
of	O
electric	O
eels	O
,	O
and	O
a	O
mysterious	O
purple	O
flask	O
that	O
creates	O
a	O
small	O
black	B-Application
hole	I-Application
.	O
</s>
<s>
Armor	O
Games	O
requested	O
and	O
received	O
permission	O
from	O
Bowmers	O
to	O
use	O
his	O
ideas	O
for	O
the	O
development	O
of	O
Crush	B-Operating_System
the	I-Operating_System
Castle	I-Operating_System
.	O
</s>
<s>
Gamasutra	O
's	O
Christopher	O
Hyde	O
listed	O
Crush	B-Operating_System
the	I-Operating_System
Castle	I-Operating_System
in	O
his	O
list	O
of	O
"	O
The	O
99	O
Best	O
Free	O
Games	O
Of	O
2009	O
"	O
.	O
</s>
