<s>
Delta	B-Application
16	I-Application
is	O
a	O
fixed	O
shooter	O
video	O
game	O
from	O
Finnish	O
developer	O
Jyri	O
Lehtonen	O
published	O
by	O
Amersoft	O
in	O
1985	O
.	O
</s>
<s>
It	O
was	O
originally	O
released	O
for	O
the	O
Commodore	B-Operating_System
16	I-Operating_System
home	O
computer	O
,	O
then	O
ported	O
to	O
Commodore	O
64	O
for	O
which	O
it	O
was	O
released	O
free	O
of	O
charge	O
.	O
</s>
