<s>
Def	B-Application
Jam	I-Application
Rapstar	I-Application
is	O
a	O
music	B-Application
video	I-Application
game	I-Application
based	O
on	O
rapping	O
,	O
developed	O
by	O
4mm	O
Games	O
and	O
Terminal	O
Reality	O
.	O
</s>
<s>
Def	B-Application
Jam	I-Application
Rapstar	I-Application
is	O
a	O
rap-themed	O
karaoke	O
game	O
.	O
</s>
<s>
The	O
PlayStation	B-Operating_System
3	I-Operating_System
version	O
received	O
"	O
generally	O
favorable	O
reviews	O
"	O
,	O
while	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
and	O
Wii	B-Operating_System
versions	O
received	O
"	O
mixed	O
or	O
average	O
reviews	O
"	O
according	O
to	O
video	O
game	O
review	B-Application
aggregator	I-Application
Metacritic	O
.	O
</s>
<s>
The	O
Guardian	O
gave	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
version	O
four	O
stars	O
out	O
of	O
five	O
and	O
called	O
it	O
"	O
an	O
absolute	O
must	O
.	O
</s>
<s>
IGN	O
gave	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
and	O
PS3	B-Operating_System
versions	O
of	O
the	O
game	O
a	O
7.5	O
out	O
of	O
10	O
.	O
</s>
