<s>
Chaos	B-Application
Strikes	I-Application
Back	I-Application
is	O
an	O
expansion	O
and	O
sequel	O
to	O
Dungeon	B-Device
Master	I-Device
,	O
the	O
earlier	O
3D	O
role-playing	O
video	O
game	O
.	O
</s>
<s>
Chaos	B-Application
Strikes	I-Application
Back	I-Application
was	O
released	O
in	O
1989	O
and	O
is	O
also	O
available	O
on	O
several	O
platforms	O
(	O
including	O
Atari	B-Device
ST	I-Device
,	O
Amiga	B-Device
,	O
X68000	B-Device
,	O
PC-98	B-Operating_System
,	O
FM	B-Device
Towns	I-Device
)	O
.	O
</s>
<s>
It	O
uses	O
the	O
same	O
engine	O
as	O
Dungeon	B-Device
Master	I-Device
,	O
with	O
new	O
graphics	O
and	O
a	O
new	O
,	O
far	O
more	O
challenging	O
,	O
dungeon	O
.	O
</s>
<s>
Although	O
Chaos	B-Application
Strikes	I-Application
Back	I-Application
describes	O
itself	O
as	O
an	O
expansion	O
pack	O
,	O
the	O
original	O
Dungeon	B-Device
Master	I-Device
is	O
not	O
required	O
.	O
</s>
<s>
Whereas	O
the	O
first	O
game	O
saw	O
the	O
player	O
following	O
a	O
fairly	O
linear	O
path	O
through	O
the	O
adventure	O
,	O
with	O
the	O
completion	O
of	O
each	O
flat	O
level	O
marked	O
by	O
a	O
staircase	O
leading	O
down	O
onto	O
a	O
new	O
slightly	O
harder	O
level	O
below	O
,	O
Chaos	B-Application
Strikes	I-Application
Back	I-Application
features	O
a	O
choice	O
of	O
paths	O
which	O
twist	O
back	O
and	O
forth	O
over	O
all	O
levels	O
.	O
</s>
<s>
The	O
player	O
can	O
choose	O
from	O
a	O
selection	O
of	O
moderately	O
high-level	O
characters	O
or	O
can	O
import	O
characters	O
from	O
a	O
Dungeon	B-Device
Master	I-Device
saved	O
game	O
.	O
</s>
<s>
These	O
disciplines	O
are	O
fighter	O
,	O
wizard	O
,	O
priest	O
and	O
ninja	B-Application
.	O
</s>
<s>
Chaos	B-Application
Strikes	I-Application
Back	I-Application
comes	O
with	O
a	O
utility	O
for	O
editing	O
the	O
portraits	O
and	O
names	O
of	O
the	O
four-character	O
party	O
.	O
</s>
<s>
This	O
utility	O
allows	O
custom	O
character	O
portraits	O
to	O
be	O
created	O
for	O
both	O
Chaos	B-Application
Strikes	I-Application
Back	I-Application
and	O
for	O
Dungeon	B-Device
Master	I-Device
.	O
</s>
<s>
“	O
Computer	O
Gaming	O
World	O
stated	O
that	O
"	O
With	O
the	O
release	O
of	O
Chaos	B-Application
Strikes	I-Application
Back	I-Application
,	O
FTL	O
still	O
has	O
one	O
foot	O
in	O
the	O
winner	O
's	O
circle.	O
"	O
</s>
<s>
Notable	O
reception	O
received	O
"	O
CSBWin	O
"	O
,	O
an	O
Atari	B-Device
ST	I-Device
version	O
based	O
reverse	O
engineered	O
source	O
code	O
reconstruction	O
by	O
Paul	O
R	O
.	O
Stevens	O
around	O
2003	O
,	O
which	O
led	O
to	O
many	O
ports	O
for	O
modern	O
platforms	O
like	O
Windows	O
and	O
Linux	B-Application
.	O
</s>
