<s>
Ty	B-Application
the	I-Application
Tasmanian	I-Application
Tiger	I-Application
4	I-Application
is	O
a	O
side-scrolling	O
platform	O
video	O
game	O
developed	O
and	O
published	O
by	O
Krome	O
Studios	O
.	O
</s>
<s>
Unlike	O
its	O
predecessors	O
,	O
the	O
game	O
plays	O
as	O
a	O
2D	O
side-scrolling	O
platformer	O
,	O
similar	O
to	O
the	O
games	O
in	O
the	O
series	O
released	O
for	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
.	O
</s>
<s>
Ty	B-Application
the	I-Application
Tasmanian	I-Application
Tiger	I-Application
4	I-Application
retains	O
various	O
elements	O
from	O
previous	O
games	O
in	O
the	O
series	O
,	O
such	O
as	O
collecting	O
opals	O
and	O
acquiring	O
new	O
boomerangs	O
to	O
use	O
as	O
weapons	O
.	O
</s>
<s>
The	O
gameplay	O
has	O
shifted	O
towards	O
a	O
2-dimensional	O
side-scroller	O
style	O
,	O
very	O
similar	O
to	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
versions	O
of	O
the	O
game	O
's	O
two	O
prequels	O
,	O
with	O
an	O
adventure	O
spanning	O
over	O
40	O
levels	O
.	O
</s>
<s>
After	O
saving	O
Southern	O
Rivers	O
from	O
the	O
plight	O
of	O
the	O
Quinkan	O
in	O
the	O
previous	B-Application
game	I-Application
,	O
Ty	O
and	O
the	O
Bush	O
Rescue	O
team	O
have	O
since	O
regrouped	O
and	O
relocated	O
their	O
headquarters	O
to	O
the	O
town	O
of	O
"	O
Coolarangah	O
"	O
on	O
the	O
shores	O
of	O
Lake	O
Burramudgee	O
.	O
</s>
<s>
Recently	O
,	O
Ty	O
's	O
old	O
cassowary	B-Application
nemesis	O
Boss	O
Cass	O
set	O
up	O
a	O
resort	O
island	O
named	O
"	O
Cassablanca	O
,	O
"	O
which	O
leads	O
into	O
a	O
series	O
of	O
strange	O
occurrences	O
including	O
a	O
shadowy	O
figure	O
lurking	O
around	O
the	O
town	O
.	O
</s>
<s>
Ty	B-Application
the	I-Application
Tasmanian	I-Application
Tiger	I-Application
4	I-Application
received	O
mixed	O
to	O
positive	O
reviews	O
.	O
</s>
<s>
Another	O
issue	O
was	O
that	O
the	O
previous	O
2D	O
entries	O
in	O
the	O
series	O
,	O
which	O
were	O
on	O
the	O
Gameboy	B-Device
Advance	I-Device
,	O
were	O
more	O
fun	O
.	O
</s>
