<s>
Shattered	B-Application
Union	I-Application
is	O
a	O
turn-based	B-Application
tactics	I-Application
video	O
game	O
developed	O
by	O
PopTop	O
Software	O
and	O
published	O
by	O
2K	O
in	O
October	O
2005	O
.	O
</s>
<s>
Later	O
,	O
Interpol	B-Device
reveals	O
the	O
results	O
of	O
its	O
investigation	O
regarding	O
the	O
Inauguration	O
Day	O
bombing	O
.	O
</s>
<s>
If	O
not	O
crossed	O
by	O
a	O
bridge	O
,	O
rivers	O
heavily	O
hinder	O
unit	O
movement	O
,	O
slowing	O
down	O
infantry	B-Protocol
,	O
requiring	O
a	O
whole	O
day	O
(	O
turn	O
)	O
to	O
cross	O
for	O
some	O
vehicle	O
units	O
,	O
and	O
completely	O
blocking	O
other	O
units	O
,	O
which	O
must	O
search	O
for	O
an	O
intact	O
bridge	O
.	O
</s>
<s>
Each	O
unit	O
type	O
has	O
three	O
statistics	O
for	O
attacking	O
:	O
effectiveness	O
against	O
infantry	B-Protocol
(	O
EI	O
)	O
,	O
effectiveness	O
against	O
vehicles	O
(	O
EV	O
)	O
,	O
and	O
effectiveness	O
against	O
air	O
units	O
(	O
EA	O
)	O
.	O
</s>
<s>
Infantry	B-Protocol
,	O
obviously	O
,	O
do	O
not	O
require	O
fuel	O
.	O
</s>
<s>
The	O
types	O
are	O
Infantry	B-Protocol
,	O
Vehicles	O
,	O
and	O
Aircraft	O
.	O
</s>
<s>
The	O
classes	O
are	O
One-Time	O
Use	O
units	O
,	O
Infantry	B-Protocol
,	O
Light	O
Armor	O
,	O
Medium	O
Armor	O
,	O
Heavy	O
Armor	O
,	O
Artillery	B-Application
,	O
Anti-Aircraft	B-Application
,	O
Helicopters	O
,	O
and	O
Aircraft	O
.	O
</s>
<s>
These	O
include	O
defensive	O
towers	O
and	O
bunkers	O
,	O
fixed	O
artillery	B-Application
,	O
and	O
light	O
infantry	B-Protocol
.	O
</s>
<s>
There	O
are	O
three	O
varieties	O
of	O
infantry	B-Protocol
units	O
,	O
each	O
with	O
its	O
own	O
specialized	O
purpose	O
.	O
</s>
<s>
Commando-style	O
units	O
are	O
effective	O
against	O
infantry	B-Protocol
and	O
vehicles	O
,	O
but	O
have	O
no	O
anti-air	O
ability	O
.	O
</s>
<s>
Heavy	O
infantry	B-Protocol
are	O
able	O
to	O
attack	O
aircraft	O
and	O
vehicles	O
.	O
</s>
<s>
Engineers	O
are	O
the	O
weakest	O
in	O
direct	O
combat	O
,	O
but	O
have	O
the	O
ability	O
to	O
construct	O
and	O
place	O
barbed	O
wire	O
,	O
dragon	O
's	O
teeth	O
(	O
an	O
anti-vehicle	O
barricade	B-Application
)	O
,	O
and	O
land	O
mines	O
that	O
damage	O
enemies	O
which	O
move	O
over	O
them	O
.	O
</s>
<s>
Armor	O
is	O
a	O
primarily	O
anti-vehicle	O
class	O
,	O
but	O
some	O
varieties	O
are	O
more	O
effective	O
against	O
infantry	B-Protocol
.	O
</s>
<s>
Similar	O
to	O
fighters	O
and	O
bombers	O
,	O
artillery	B-Application
units	O
are	O
powerful	O
support	O
units	O
,	O
but	O
possessing	O
many	O
significant	O
limitations	O
.	O
</s>
<s>
A	O
target	O
must	O
be	O
at	O
least	O
two	O
hexes	O
away	O
for	O
artillery	B-Application
to	O
fire	O
on	O
it	O
,	O
leaving	O
such	O
units	O
vulnerable	O
to	O
close-up	O
attacks	O
.	O
</s>
<s>
Artillery	B-Application
units	O
can	O
also	O
do	O
little	O
to	O
defend	O
themselves	O
in	O
most	O
cases	O
,	O
with	O
only	O
a	O
few	O
out	O
of	O
all	O
in	O
the	O
game	O
having	O
any	O
real	O
armor	O
and/or	O
anti-air	O
capability	O
.	O
</s>
<s>
However	O
,	O
artillery	B-Application
units	O
have	O
the	O
longest	O
firing	O
range	O
of	O
any	O
unit	O
type	O
in	O
the	O
game	O
-	O
up	O
to	O
five	O
hexes	O
away	O
.	O
</s>
<s>
Though	O
they	O
require	O
extensive	O
support	O
and	O
are	O
vulnerable	O
by	O
themselves	O
,	O
artillery	B-Application
units	O
are	O
extremely	O
powerful	O
and	O
can	O
prove	O
devastating	O
if	O
used	O
in	O
significant	O
numbers	O
.	O
</s>
<s>
One	O
of	O
the	O
factions	O
fields	O
a	O
unique	O
self-propelled	O
artillery	B-Application
.	O
</s>
<s>
Anti-air	O
units	O
have	O
low	O
or	O
nonexistent	O
ratings	O
against	O
armor	O
and	O
moderate	O
to	O
nonexistent	O
ratings	O
against	O
infantry	B-Protocol
,	O
but	O
they	O
are	O
unparalleled	O
in	O
their	O
ability	O
to	O
destroy	O
any	O
airborne	O
unit	O
.	O
</s>
<s>
Shattered	B-Application
Union	I-Application
received	O
"	O
average	O
"	O
reviews	O
on	O
both	O
platforms	O
according	O
to	O
the	O
review	B-Application
aggregation	I-Application
website	O
Metacritic	O
.	O
</s>
