<s>
Sea	B-Application
Dragon	I-Application
is	O
a	O
horizontally	O
scrolling	O
shooter	O
for	O
the	O
TRS-80	B-Device
computer	O
,	O
written	O
by	O
Wayne	O
Westmoreland	O
and	O
Terry	O
Gilman	O
,	O
and	O
released	O
in	O
1982	O
by	O
Adventure	O
International	O
.	O
</s>
<s>
The	O
gameplay	O
is	O
similar	O
to	O
the	O
Scramble	B-Application
arcade	O
game	O
,	O
but	O
underwater	O
.	O
</s>
<s>
It	O
was	O
ported	O
to	O
the	O
Apple	B-Device
II	I-Device
,	O
Atari	B-Device
8-bit	I-Device
family	I-Device
,	O
Commodore	O
64	O
,	O
TRS-80	B-Device
Color	I-Device
Computer	I-Device
,	O
and	O
DOS	B-Device
.	O
</s>
<s>
In	O
January	O
2016	O
the	O
source	O
code	O
for	O
the	O
Atari	B-Device
8-bit	I-Device
version	O
was	O
released	O
to	O
the	O
public	O
and	O
added	O
to	O
the	O
Internet	O
Archive	O
.	O
</s>
<s>
The	O
Apple	B-Device
II	I-Device
version	O
uses	O
digitized	B-Application
voice	O
that	O
says	O
"	O
Sea	B-Application
Dragon	I-Application
!	O
"	O
</s>
<s>
The	O
use	O
of	O
speech	O
was	O
a	O
novelty	O
,	O
as	O
the	O
Apple	B-Device
II	I-Device
speaker	O
is	O
only	O
able	O
to	O
emit	O
a	O
one-bit	O
click	O
.	O
</s>
<s>
Programming	O
Sea	B-Application
Dragon	I-Application
to	O
play	O
back	O
an	O
audio	O
sample	O
is	O
a	O
technical	O
achievement	O
shared	O
with	O
Castle	B-Application
Wolfenstein	I-Application
(	O
1981	O
)	O
,	O
Dung	B-Application
Beetles	I-Application
(	O
1982	O
)	O
,	O
Creepy	O
Corridors	O
(	O
1982	O
)	O
,	O
and	O
Plasmania	O
(	O
1982	O
)	O
.	O
</s>
<s>
The	O
Color	B-Device
Computer	I-Device
version	O
is	O
the	O
only	O
other	O
version	O
that	O
includes	O
speech	O
.	O
</s>
<s>
Writing	O
for	O
Video	O
magazine	O
in	O
1983	O
,	O
Ivan	O
Berger	O
noted	O
that	O
Sea	B-Application
Dragons	I-Application
graphics	O
were	O
dominated	O
by	O
"	O
simple	O
patterns	O
and	O
primary	O
colors	O
"	O
.	O
</s>
<s>
This	O
Berger	O
contrasted	O
with	O
the	O
"	O
more	O
subtle	O
colors	O
and	O
shadings	O
that	O
go	O
into	O
professional	O
animation	O
"	O
,	O
however	O
Berger	O
noted	O
that	O
while	O
Sea	B-Application
Dragon	I-Application
was	O
emblematic	O
in	O
this	O
regard	O
,	O
the	O
chromatic	O
and	O
graphical	O
simplicity	O
of	O
the	O
game	O
was	O
endemic	O
to	O
the	O
home	O
computer	O
game	O
medium	O
.	O
</s>
