<s>
Dangerous	B-Language
Dave	I-Language
in	I-Language
the	I-Language
Haunted	I-Language
Mansion	I-Language
(	O
also	O
known	O
as	O
Dangerous	B-Application
Dave	I-Application
2	O
and	O
under	O
the	O
Froggman	O
title	O
,	O
Rooms	O
of	O
Doom	O
)	O
is	O
a	O
1991	B-Application
sequel	O
of	O
the	O
computer	O
game	O
Dangerous	B-Application
Dave	I-Application
.	O
</s>
<s>
It	O
was	O
developed	O
on	O
the	O
Shadow	B-Application
Knights	I-Application
engine	O
with	O
some	O
extra	O
code	O
for	O
smoother	O
character	O
movement	O
.	O
</s>
<s>
Many	O
of	O
the	O
features	O
that	O
debuted	O
in	O
this	O
game	O
were	O
carried	O
over	O
to	O
its	O
sequels	O
,	O
Dangerous	B-Application
Dave	I-Application
's	I-Application
Risky	I-Application
Rescue	I-Application
and	O
Dave	B-Application
Goes	I-Application
Nutz	I-Application
!	I-Application
</s>
<s>
This	O
version	O
was	O
released	O
on	O
both	O
3½	O
inch	O
and	O
5¼	O
inch	O
floppy	B-Device
disks	I-Device
for	O
DOS	B-Device
computers	O
.	O
</s>
<s>
Dangerous	B-Language
Dave	I-Language
in	I-Language
the	I-Language
Haunted	I-Language
Mansion	I-Language
was	O
ported	O
to	O
cell	O
phones	O
in	O
2008	O
.	O
</s>
<s>
This	O
version	O
of	O
the	O
game	O
was	O
developed	O
in	O
Java	B-Language
.	O
</s>
