<s>
Gravity	B-Device
Crash	I-Device
is	O
a	O
multidirectional	O
shooter	O
released	O
on	O
the	O
PlayStation	B-Device
Network	I-Device
.	O
</s>
<s>
A	O
PlayStation	B-Device
Vita	I-Device
port	O
was	O
released	O
in	O
August	O
2014	O
under	O
the	O
title	O
Gravity	B-Device
Crash	I-Device
Ultra	O
.	O
</s>
<s>
Gravity	B-Device
Crash	I-Device
was	O
inspired	O
by	O
three	O
games	O
in	O
particular	O
,	O
Gravitar	B-Application
,	O
Thrust	B-Application
and	O
Oids	B-Application
.	O
</s>
<s>
As	O
an	O
extra	O
the	O
game	O
includes	O
a	O
shooting	O
mini-game	O
titled	O
Gold	O
Grabber	O
,	O
which	O
is	O
similar	O
to	O
the	O
arcade	O
game	O
Robotron	B-Application
:	I-Application
2084	I-Application
.	O
</s>
<s>
Gravity	B-Device
Crash	I-Device
received	O
mostly	O
positive	O
reviews	O
.	O
</s>
<s>
Edge	O
's	O
reviewer	O
also	O
mentioned	O
the	O
difficulty	O
,	O
calling	O
Gravity	B-Device
Crash	I-Device
"	O
A	O
stern	O
,	O
if	O
unspectacular	O
,	O
challenge.	O
"	O
</s>
