<s>
Originally	O
known	O
as	O
VR-SHOOTER	O
,	O
the	O
Sega	B-Application
Lock-On	I-Application
is	O
a	O
laser	O
tag	O
game	O
developed	O
by	O
Sega	O
and	O
originally	O
released	O
in	O
1992	O
.	O
</s>
<s>
The	O
Mark	O
II	O
headset	O
used	O
four	O
AAA	B-Algorithm
batteries	I-Algorithm
instead	O
of	O
the	O
single	O
9V	O
one	O
.	O
</s>
