<s>
GooBall	B-Operating_System
is	O
a	O
2005	O
an	O
arcade-style	O
puzzle	O
video	O
game	O
developed	O
by	O
Over	O
The	O
Edge	O
Entertainment	O
(	O
now	O
Unity	O
Technologies	O
)	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
and	O
published	O
by	O
Ambrosia	O
Software	O
.	O
</s>
<s>
It	O
is	O
Over	O
The	O
Edge	O
's	O
first	O
game	O
,	O
and	O
runs	O
on	O
an	O
early	O
beta	O
version	O
of	O
the	O
Unity	B-Application
engine	I-Application
,	O
which	O
it	O
was	O
meant	O
to	O
showcase	O
.	O
</s>
<s>
Though	O
it	O
was	O
highly	O
downloaded	O
,	O
the	O
game	O
was	O
commercially	O
unsuccessful	O
,	O
leading	O
Over	O
The	O
Edge	O
to	O
change	O
its	O
focus	O
from	O
making	O
games	O
,	O
to	O
making	O
the	O
Unity	B-Application
engine	I-Application
.	O
</s>
<s>
The	O
gameplay	O
is	O
similar	O
to	O
the	O
Super	B-Application
Monkey	I-Application
Ball	I-Application
series	O
in	O
that	O
the	O
player	O
tilts	O
the	O
environment	O
,	O
which	O
causes	O
Goober	O
to	O
roll	O
around	O
in	O
it	O
,	O
collecting	O
gems	O
and	O
making	O
its	O
way	O
to	O
the	O
end	O
gate	O
within	O
the	O
imparted	O
time	O
.	O
</s>
<s>
Goober	O
can	O
stick	O
to	O
surfaces	O
by	O
holding	O
down	O
the	O
command	B-Device
key	I-Device
;	O
this	O
ability	O
can	O
be	O
used	O
to	O
climb	O
walls	O
,	O
or	O
to	O
avoid	O
falling	O
off	O
from	O
ledges	O
.	O
</s>
<s>
Inside	B-Application
Mac	I-Application
Games	I-Application
writer	O
Mark	O
Satterthwaite	O
praised	O
the	O
game	O
's	O
level	O
design	O
,	O
sound	O
effects	O
,	O
and	O
especially	O
its	O
graphics	O
,	O
saying	O
that	O
the	O
game	O
"	O
offers	O
lighting	O
and	O
shader	O
and	O
particle	O
effects	O
more	O
commonly	O
seen	O
in	O
top-of-the-line	O
shooters	O
like	O
Doom	O
3	O
"	O
.	O
</s>
<s>
However	O
,	O
he	O
criticized	O
GooBall	B-Operating_System
's	O
camera	O
orientation	O
,	O
and	O
its	O
lack	O
of	O
gamepad	B-Device
support	O
.	O
</s>
<s>
Apple	O
games	O
reviewer	O
Brad	O
Cook	O
compared	O
GooBall	B-Operating_System
to	O
Robert	O
A	O
.	O
Heinlein	O
's	O
Stranger	O
in	O
a	O
Strange	O
Land	O
.	O
</s>
<s>
In	O
an	O
October	O
2005	O
interview	O
,	O
Over	O
The	O
Edge	O
CEO	O
David	O
Helgason	O
called	O
GooBall	B-Operating_System
a	O
"	O
perfect	O
showcase	O
for	O
Unity	O
"	O
.	O
</s>
