<s>
Necropolis	B-Operating_System
is	O
a	O
browser	B-Protocol
game	I-Protocol
implemented	O
in	O
Adobe	B-Operating_System
Flash	I-Operating_System
.	O
</s>
<s>
Users	O
play	O
as	O
"	O
Ms.	O
Lilian	O
Trevithick	O
,	O
lady	O
adventurer	O
and	O
radical	O
steam	O
technician	O
,	O
who	O
has	O
come	O
to	O
the	O
infamous	O
Necropolis	B-Operating_System
of	O
Ao	O
in	O
search	O
of	O
adventure	O
"	O
.	O
</s>
<s>
Necropolis	B-Operating_System
bears	O
many	O
similarities	O
to	O
roguelike	O
games	O
,	O
being	O
essentially	O
an	O
exploration	O
of	O
a	O
procedurally-generated	O
dungeon	O
.	O
</s>
<s>
Necropolis	B-Operating_System
received	O
little	O
critical	O
attention	O
.	O
</s>
