<s>
Artillery	B-Application
games	I-Application
are	O
two	O
or	O
three-player	O
(	O
usually	O
turn-based	O
)	O
video	O
games	O
involving	O
tanks	O
(	O
or	O
simply	O
cannons	O
)	O
trying	O
to	O
destroy	O
each	O
other	O
.	O
</s>
<s>
The	O
core	O
mechanics	O
of	O
the	O
gameplay	O
is	O
almost	O
always	O
to	O
aim	O
at	O
the	O
opponent(s )	O
following	O
a	O
ballistic	B-Application
trajectory	O
(	O
in	O
its	O
simplest	O
form	O
,	O
a	O
parabolic	O
curve	O
)	O
.	O
</s>
<s>
Artillery	B-Application
games	I-Application
are	O
among	O
the	O
earliest	O
computer	O
games	O
developed	O
;	O
the	O
theme	O
of	O
such	O
games	O
is	O
an	O
extension	O
of	O
the	O
original	O
uses	O
of	O
computer	O
themselves	O
,	O
which	O
were	O
once	O
used	O
to	O
calculate	O
the	O
trajectories	O
of	O
rockets	O
and	O
other	O
related	O
military-based	O
calculations	O
.	O
</s>
<s>
Artillery	B-Application
games	I-Application
have	O
been	O
described	O
as	O
a	O
type	O
of	O
"	O
shooting	O
game	O
"	O
,	O
though	O
they	O
are	O
more	O
often	O
classified	O
as	O
a	O
type	O
of	O
strategy	B-Application
video	I-Application
game	I-Application
.	O
</s>
<s>
Early	O
precursors	O
to	O
the	O
modern	O
artillery-type	O
games	O
were	O
text-only	O
games	O
that	O
simulated	O
artillery	B-Application
entirely	O
with	O
input	O
data	O
values	O
.	O
</s>
<s>
One	O
of	O
the	O
earliest	O
known	O
games	O
in	O
the	O
genre	O
is	O
War	B-Application
3	I-Application
for	O
two	O
or	O
three	O
players	O
,	O
written	O
in	O
FOCAL	B-Language
Mod	I-Language
V	I-Language
by	O
Mike	O
Forman	O
(	O
date	O
unknown	O
)	O
.	O
</s>
<s>
The	O
game	O
was	O
then	O
ported	O
to	O
TSS/8	B-Operating_System
BASIC	O
IV	O
by	O
M	O
.	O
E	O
.	O
Lyon	O
Jr.	O
in	O
1972	B-Application
.	O
</s>
<s>
Ported	O
again	O
to	O
HP	B-Language
Time-Shared	I-Language
BASIC	I-Language
by	O
Brian	O
West	O
in	O
1975	B-Application
.	O
</s>
<s>
And	O
,	O
finally	O
,	O
to	O
a	O
cross-platform	O
subset	O
of	O
Microsoft	B-Language
BASIC	I-Language
by	O
Creative	O
Computing	O
in	O
1979	B-Application
for	O
the	O
book	O
More	B-Application
BASIC	I-Application
Computer	I-Application
Games	I-Application
where	O
it	O
appears	O
with	O
multiple	O
names	O
:	O
Artillery-3	B-Application
,	O
Artillery	B-Application
3	O
,	O
and	O
WAR3	O
.	O
</s>
<s>
Another	O
early	O
game	O
is	O
Gunner	O
(	O
1973	B-Application
)	O
by	O
Tom	O
Kloos	O
.	O
</s>
<s>
The	O
Tektronix	O
4051	O
BASIC	O
language	O
desktop	O
computer	O
of	O
the	O
mid-1970s	O
had	O
a	O
demo	O
program	O
called	O
Artillery	B-Application
which	O
used	O
a	O
storage-CRT	O
for	O
graphics	O
.	O
</s>
<s>
A	O
similar	O
program	O
appeared	O
on	O
the	O
HP	B-General_Concept
2647	I-General_Concept
graphics	O
terminal	O
demo	O
tape	O
in	O
the	O
late	O
1970s	O
.	O
</s>
<s>
Graphical	O
adaptions	O
of	O
the	O
artillery	B-Application
game	I-Application
,	O
such	O
as	O
Super	O
Artillery	B-Application
and	O
Artillery	B-Application
Simulator	O
,	O
emerged	O
on	O
the	O
Apple	B-Device
II	I-Device
computer	I-Device
platform	O
in	O
1980	B-Application
.	O
</s>
<s>
These	O
games	O
built	O
upon	O
the	O
earlier	O
concepts	O
of	O
the	O
artillery	B-Application
games	I-Application
published	O
in	O
Creative	O
Computing	O
but	O
allowed	O
the	O
players	O
to	O
also	O
see	O
a	O
simple	O
graphical	O
representation	O
of	O
the	O
tanks	O
,	O
battlefield	O
,	O
and	O
terrain	O
.	O
</s>
<s>
The	O
Apple	B-Device
II	I-Device
games	O
also	O
took	O
wind	O
speed	O
into	O
account	O
when	O
calculating	O
the	O
path	O
of	O
the	O
artillery	B-Application
.	O
</s>
<s>
Similar	O
games	O
were	O
made	O
for	O
home	O
computers	O
such	O
as	O
the	O
Commodore	B-Device
PET	I-Device
by	O
1981	O
.	O
</s>
<s>
This	O
was	O
again	O
the	O
classic	O
version	O
of	O
the	O
Artillery	B-Application
Game	I-Application
,	O
however	O
,	O
the	O
player	O
could	O
change	O
the	O
height	O
of	O
the	O
hill	O
in	O
between	O
the	O
players	O
to	O
either	O
a	O
mountain	O
or	O
a	O
foothill	O
(	O
However	O
this	O
sometimes	O
made	O
no	O
difference	O
in	O
the	O
actual	O
gameplay	O
as	O
some	O
foothills	O
were	O
as	O
high	O
as	O
mountains	O
and	O
some	O
mountains	O
were	O
low	O
enough	O
to	O
be	O
considered	O
foothills	O
)	O
.	O
</s>
<s>
Video	B-Device
game	I-Device
console	I-Device
variants	O
of	O
the	O
artillery	B-Application
game	I-Application
soon	O
emerged	O
after	O
the	O
first	O
graphical	O
home	O
computer	O
versions	O
.	O
</s>
<s>
was	O
released	O
in	O
1982	B-Application
for	O
the	O
Magnavox	B-Application
Odyssey²	I-Application
console	O
in	O
which	O
two	O
catapults	O
,	O
each	O
behind	O
a	O
castle	O
fortress	O
wall	O
,	O
launched	O
rocks	O
at	O
each	O
other	O
.	O
</s>
<s>
Although	O
not	O
turn-based	O
,	O
the	O
game	O
made	O
use	O
of	O
the	O
console	O
's	O
speech	B-Application
synthesis	I-Application
to	O
emit	O
sarcastic	O
insults	O
when	O
one	O
player	O
fired	O
at	O
the	O
other	O
.	O
</s>
<s>
The	O
first	O
widespread	O
artillery-based	O
video	O
game	O
was	O
Artillery	B-Application
Duel	I-Application
.	O
</s>
<s>
Artillery	B-Application
Duel	I-Application
was	O
originally	O
written	O
for	O
the	O
Bally	B-Device
Astrocade	I-Device
by	O
Perkins	O
Engineering	O
and	O
published	O
by	O
Bally	O
in	O
1982	B-Application
.	O
</s>
<s>
It	O
was	O
later	O
released	O
in	O
1983	O
for	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
and	O
ColecoVision	B-Device
video	B-Device
game	I-Device
consoles	I-Device
as	O
well	O
as	O
the	O
Commodore	O
64	O
and	O
VIC-20	B-Device
home	O
computer	O
platforms	O
.	O
</s>
<s>
Around	O
1984	O
,	O
a	O
game	O
called	O
Siege	O
also	O
appeared	O
by	O
publisher	O
Melbourne	O
House	O
,	O
this	O
was	O
released	O
on	O
many	O
old	O
computer	O
systems	O
such	O
as	O
the	O
Commodore	B-Operating_System
16	I-Operating_System
(	O
the	O
game	O
was	O
bundled	O
with	O
C16	O
's	O
on	O
a	O
compilation	O
tape	O
along	O
with	O
Zapp	O
,	O
Hangman	O
and	O
many	O
other	O
games	O
)	O
,	O
VIC-20	B-Device
and	O
several	O
other	O
comparable	O
machines	O
of	O
that	O
era	O
,	O
some	O
variants	O
for	O
some	O
reason	O
were	O
misspelled	O
as	O
""	O
instead	O
of	O
Siege	O
.	O
</s>
<s>
With	O
the	O
increased	O
presence	O
of	O
IBM-compatible	O
PCs	O
came	O
the	O
arrival	O
of	O
artillery	B-Application
games	I-Application
to	O
the	O
platform	O
.	O
</s>
<s>
In	O
1988	B-Application
,	O
Artillery	B-Application
Combat	O
,	O
or	O
EGAbomb	O
,	O
was	O
released	O
by	O
Rad	O
Delaroderie	O
,	O
written	O
in	O
Turbo	B-Language
BASIC	I-Language
,	O
and	O
was	O
later	O
distributed	O
by	O
RAD	O
Software	O
.	O
</s>
<s>
Following	O
in	O
1990	B-Application
,	O
Kenny	O
Morse	O
released	O
Tank	O
Wars	O
,	O
which	O
introduced	O
the	O
concept	O
of	O
buying	O
weapons	O
and	O
multiple	O
AI	O
computer-player	O
tanks	O
to	O
the	O
artillery	B-Application
game	I-Application
.	O
</s>
<s>
Gravity	O
Wars	O
was	O
a	O
conversion	O
of	O
the	O
Amiga	B-Device
game	O
of	O
the	O
same	O
name	O
that	O
took	O
the	O
artillery	B-Application
game	I-Application
into	O
space	O
,	O
introducing	O
a	O
2D	O
gravity	O
field	O
around	O
planets	O
,	O
a	O
format	O
that	O
has	O
also	O
inspired	O
multiple	O
re-makes	O
.	O
</s>
<s>
In	O
1991	B-Application
,	O
one	O
artillery	B-Application
style	O
game	O
in	O
particular	O
got	O
widespread	O
attention	O
when	O
Gorillas	B-Application
was	O
distributed	O
as	O
part	O
of	O
QBasic	B-Language
with	O
MS-DOS	B-Application
5.0	O
,	O
the	O
Amiga	B-Device
also	O
had	O
a	O
release	O
at	O
this	O
time	O
called	O
Amiga	B-Device
Tanx	O
distributed	O
via	O
Amiga	B-Device
Format	O
magazine	O
in	O
the	O
UK	O
which	O
included	O
some	O
digitized	O
voices	O
of	O
the	O
tank	O
commanders	O
,	O
some	O
quite	O
amusing	O
when	O
shots	O
got	O
too	O
close	O
for	O
comfort	O
.	O
</s>
<s>
That	O
year	O
also	O
saw	O
the	O
release	O
of	O
the	O
first	O
version	O
of	O
Scorched	B-Application
Earth	I-Application
by	O
Wendell	O
Hicken	O
.	O
</s>
<s>
Scorched	B-Application
Earth	I-Application
was	O
a	O
popular	O
shareware	B-License
game	O
for	O
MS-DOS	B-Application
in	O
which	O
tanks	O
do	O
turn-based	O
battle	O
in	O
two-dimensional	O
terrain	O
,	O
with	O
each	O
player	O
adjusting	O
the	O
angle	O
and	O
power	O
of	O
his	O
or	O
her	O
tank	O
turret	O
before	O
each	O
shot	O
.	O
</s>
<s>
Scorched	B-Application
Earth	I-Application
,	O
with	O
numerous	O
weapon	O
types	O
and	O
power-ups	O
,	O
is	O
considered	O
the	O
modern	O
archetype	O
of	O
its	O
format	O
,	O
on	O
which	O
the	O
popular	O
games	O
Worms	B-Application
,	O
Atomic	B-Application
Cannon	I-Application
,	O
Hogs	B-Application
of	I-Application
War	I-Application
,	O
SpaceTanks	B-Application
,	O
GunBound	B-Application
and	O
Pocket	B-Application
Tanks	I-Application
are	O
based	O
.	O
</s>
<s>
Scorched	B-Application
Earth	I-Application
incorporates	O
many	O
of	O
the	O
features	O
of	O
previous	O
graphical	O
artillery	B-Application
games	I-Application
(	O
including	O
sarcastic	O
comments	O
by	O
each	O
player	O
's	O
tank	O
before	O
firing	O
)	O
while	O
expanding	O
the	O
options	O
available	O
to	O
each	O
player	O
in	O
regard	O
to	O
the	O
choice	O
of	O
weapons	O
available	O
,	O
the	O
ability	O
to	O
use	O
shields	O
,	O
parachutes	O
,	O
and	O
ability	O
to	O
move	O
the	O
player	O
's	O
tank	O
(	O
with	O
the	O
purchase	O
of	O
fuel	O
tanks	O
)	O
.	O
</s>
<s>
The	O
game	O
is	O
highly	O
configurable	O
and	O
utilizes	O
a	O
simple	O
mouse-driven	O
graphical	B-Application
user	I-Application
interface	I-Application
.	O
</s>
<s>
In	O
1995	B-Application
,	O
Team17	O
released	O
the	O
first	O
version	O
of	O
its	O
successful	O
Worms	B-Application
series	O
of	O
turn-based	O
games	O
on	O
the	O
Amiga	B-Device
computer	I-Device
platform	O
.	O
</s>
<s>
In	O
Worms	B-Application
,	O
players	O
control	O
a	O
small	O
platoon	O
of	O
worms	B-Application
(	O
rather	O
than	O
tanks	O
)	O
across	O
a	O
deformable	O
landscape	O
,	O
battling	O
other	O
computer	O
-	O
or	O
player-controlled	O
teams	O
.	O
</s>
<s>
Subsequent	O
games	O
in	O
the	O
series	O
have	O
been	O
released	O
since	O
1995	B-Application
,	O
including	O
a	O
3D	O
variant	O
(	O
Worms	B-Application
3D	I-Application
)	O
in	O
2003	O
.	O
</s>
<s>
This	O
was	O
later	O
followed	O
by	O
Worms	B-Application
Forts	O
and	O
Worms	B-Application
4	O
.	O
</s>
<s>
The	O
game	O
then	O
went	O
back	O
to	O
its	O
2D	O
style	O
gameplay	O
in	O
Worms	B-Application
Open	O
Warfare	O
(	O
2006	O
)	O
and	O
Worms	B-Application
:	O
Reloaded	O
(	O
2010	O
)	O
.	O
</s>
<s>
In	O
2000	O
,	O
Infogrames	O
released	O
Hogs	B-Application
of	I-Application
War	I-Application
,	O
featuring	O
3D	O
graphics	O
,	O
and	O
a	O
third-person	O
perspective	O
.	O
</s>
<s>
In	O
2001	O
,	O
Gavin	O
Camp	O
released	O
a	O
3D	O
artillery	B-Application
game	I-Application
called	O
Scorched	B-Language
3D	I-Language
that	O
is	O
loosely	O
based	O
on	O
the	O
earlier	O
game	O
Scorched	B-Application
Earth	I-Application
.	O
</s>
<s>
Scorched	B-Language
3D	I-Language
offers	O
options	O
such	O
as	O
multiplayer	O
LAN	B-General_Concept
and	O
Internet	O
play	O
,	O
player	O
avatars	B-Application
and	O
flexible	O
camera	O
views	O
.	O
</s>
<s>
In	O
2003	O
,	O
Isotope	O
244	O
released	O
Atomic	B-Application
Cannon	I-Application
for	O
Windows	B-Application
,	O
Mac	B-Application
OS	I-Application
X	I-Application
,	O
and	O
Windows	B-Operating_System
Mobile	I-Operating_System
.	O
</s>
<s>
Other	O
active	O
projects	O
include	O
Warmux	O
or	O
Hedgewars	O
,	O
fully	O
playable	O
on	O
many	O
systems	O
,	O
including	O
Windows	B-Application
,	O
Linux	B-Application
or	O
Mac	B-Application
OS	I-Application
X	I-Application
.	O
</s>
<s>
DDTank	O
is	O
a	O
popular	O
browser-based	O
free-to-play	O
MMORPG	O
artillery	B-Application
game	I-Application
.	O
</s>
<s>
In	O
December	O
2009	O
,	O
Finland-based	O
Rovio	O
Mobile	O
released	O
Angry	B-Application
Birds	I-Application
,	O
a	O
popular	O
video	O
game	O
in	O
which	O
the	O
player	O
aims	O
to	O
find	O
the	O
most	O
efficient	O
way	O
to	O
destroy	O
various	O
structures	O
by	O
anticipating	O
the	O
trajectory	O
and	O
destructive	O
effects	O
of	O
a	O
bird	O
fired	O
from	O
slingshot	O
,	O
which	O
could	O
be	O
considered	O
a	O
version	O
of	O
an	O
artillery	B-Application
game	I-Application
as	O
it	O
features	O
a	O
2D	O
limited	O
world	O
,	O
angle/power	O
input	O
,	O
passive	O
missiles	O
which	O
follow	O
gravity-driven	O
trajectories	O
,	O
and	O
the	O
use	O
of	O
missile	O
and/or	O
landscape	O
destruction	O
to	O
kill	O
several	O
non-vocal	O
pigs	O
in	O
each	O
level	O
.	O
</s>
<s>
The	O
March	O
2012	O
release	O
of	O
Total	B-Application
War	I-Application
:	I-Application
Shogun	I-Application
2	I-Application
:	I-Application
Fall	I-Application
of	I-Application
the	I-Application
Samurai	I-Application
saw	O
the	O
inclusion	O
of	O
an	O
in	O
game	O
variant	O
of	O
the	O
artillery	B-Application
game	I-Application
.	O
</s>
<s>
Players	O
may	O
manually	O
control	O
artillery	B-Application
pieces	O
,	O
firing	O
,	O
and	O
subsequently	O
adjusting	O
,	O
for	O
each	O
round	O
.	O
</s>
<s>
In	O
March	O
2015	O
,	O
kChamp	O
Games	O
released	O
their	O
ShellShock	B-Application
Live	I-Application
game	O
on	O
Windows	B-Application
,	O
a	O
2D	O
artillery	B-Application
game	I-Application
inspired	O
by	O
the	O
1991	B-Application
Scorched	B-Application
Earth	I-Application
built	O
with	O
Unity	B-Application
game	I-Application
engine	I-Application
.	O
</s>
