<s>
Underwurlde	B-Application
is	O
a	O
1984	O
action-adventure	O
platform	O
video	O
game	O
in	O
the	O
Sabreman	O
series	O
by	O
Ultimate	O
Play	O
the	O
Game	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
Commodore	O
64	O
.	O
</s>
<s>
Underwurlde	B-Application
features	O
about	O
600	O
flip	O
screen	O
areas	O
.	O
</s>
<s>
Underwurlde	B-Application
is	O
the	O
second	O
game	O
in	O
the	O
series	O
,	O
between	O
Sabre	B-Application
Wulf	I-Application
and	O
Knight	B-Application
Lore	I-Application
,	O
and	O
released	O
alongside	O
the	O
latter	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
during	O
Christmas	O
in	O
1984	O
.	O
</s>
<s>
Reviewers	O
recommended	O
the	O
original	O
ZX	B-Operating_System
Spectrum	I-Operating_System
Underwurlde	B-Application
release	O
.	O
</s>
<s>
Your	O
Sinclair	O
placed	O
Underwurlde	B-Application
within	O
its	O
top	O
20	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
though	O
their	O
readers	O
put	O
it	O
near	O
the	O
bottom	O
of	O
their	O
top	O
100	O
.	O
</s>
<s>
The	O
game	O
was	O
later	O
included	O
in	O
Rare	O
's	O
2015	O
Xbox	B-Device
One	I-Device
retrospective	O
compilation	O
,	O
Rare	B-Application
Replay	I-Application
.	O
</s>
<s>
Underwurlde	B-Application
is	O
a	O
platform	O
game	O
viewed	O
from	O
a	O
side-angle	O
perspective	O
.	O
</s>
<s>
Underwurlde	B-Application
has	O
three	O
possible	O
endings	O
,	O
and	O
each	O
was	O
designed	O
to	O
correspond	O
to	O
the	O
plots	O
of	O
the	O
three	O
planned	O
sequels	O
in	O
the	O
Sabreman	O
series	O
.	O
</s>
<s>
The	O
game	O
also	O
supports	O
keyboard	O
and	O
joystick	B-Device
control	O
,	O
and	O
as	O
with	O
other	O
games	O
from	O
the	O
developer	O
,	O
the	O
instructions	O
packaged	O
with	O
Underwurlde	B-Application
were	O
cryptic	O
,	O
and	O
left	O
the	O
player	O
to	O
figure	O
out	O
the	O
controls	O
and	O
sequence	O
on	O
their	O
own	O
.	O
</s>
<s>
The	O
main	O
criticism	O
of	O
Underwurlde	B-Application
predecessor	O
and	O
the	O
first	O
game	O
in	O
the	O
Sabreman	O
series	O
,	O
Sabre	B-Application
Wulf	I-Application
,	O
was	O
its	O
similarity	O
to	O
an	B-Application
earlier	I-Application
game	I-Application
by	O
the	O
Stamper	O
brothers	O
,	O
as	O
both	O
were	O
depicted	O
in	O
a	O
top-down	O
view	O
as	O
action-adventure	O
games	O
.	O
</s>
<s>
While	O
Retro	O
Gamer	O
wrote	O
that	O
the	O
sequel	O
,	O
Underwurlde	B-Application
,	O
resolved	O
this	O
criticism	O
by	O
instead	O
using	O
a	O
side	O
view	O
as	O
a	O
platform	O
game	O
,	O
Ultimate	O
Play	O
the	O
Game	O
also	O
had	O
a	O
reputation	O
for	O
releasing	O
games	O
outside	O
the	O
order	O
in	O
which	O
they	O
were	O
developed	O
.	O
</s>
<s>
Indeed	O
,	O
the	O
Stamper	O
brothers	O
claimed	O
to	O
have	O
finished	O
their	O
third	O
Sabreman	O
title	O
,	O
the	O
epochal	O
Knight	B-Application
Lore	I-Application
,	O
in	O
advance	O
of	O
both	O
of	O
its	O
predecessors	O
.	O
</s>
<s>
The	O
Stampers	O
primarily	O
developed	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
home	O
computer	O
and	O
outsourced	O
the	O
work	O
of	O
converting	O
their	O
games	O
to	O
work	O
on	O
other	O
types	O
of	O
computers	O
to	O
external	O
developers	O
more	O
familiar	O
with	O
the	O
hardware	O
architecture	O
of	O
other	O
platforms	O
.	O
</s>
<s>
For	O
instance	O
,	O
Firebird	O
released	O
the	O
Commodore	O
64	O
releases	O
of	O
Sabre	B-Application
Wulf	I-Application
and	O
Underwurlde	B-Application
.	O
</s>
<s>
The	O
game	O
was	O
released	O
alongside	O
Knight	B-Application
Lore	I-Application
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
near	O
the	O
1984	O
holiday	O
season	O
,	O
and	O
the	O
Commodore	O
64	O
version	O
was	O
released	O
a	O
year	O
later	O
.	O
</s>
<s>
Reviewers	O
recommended	O
the	O
original	O
ZX	B-Operating_System
Spectrum	I-Operating_System
Underwurlde	B-Application
release	O
.	O
</s>
<s>
ZX	B-Operating_System
Spectrum	I-Operating_System
magazine	O
Crash	O
considered	O
Underwurlde	B-Application
to	O
be	O
"	O
excellent	O
"	O
and	O
Ultimate	O
's	O
best	O
game	O
.	O
</s>
<s>
Another	O
reviewer	O
compared	O
Sabreman	O
's	O
jump	O
to	O
that	O
of	O
Bugaboo	B-Application
(	O
The	O
Flea	O
)	O
and	O
added	O
that	O
the	O
game	O
's	O
single	O
difficulty	O
level	O
was	O
adequately	O
balanced	O
.	O
</s>
<s>
They	O
also	O
praised	O
Underwurlde	B-Application
detailed	O
graphics	O
and	O
sound	O
.	O
</s>
<s>
Another	O
ZX	B-Operating_System
Spectrum	I-Operating_System
reviewer	O
,	O
Chris	O
Bourne	O
(	O
Sinclair	O
User	O
)	O
,	O
said	O
that	O
the	O
game	O
was	O
fast	O
,	O
colourful	O
,	O
and	O
akin	O
to	O
a	O
"	O
vertical	O
Atic	B-Application
Atac	I-Application
"	O
.	O
</s>
<s>
Jaz	O
Rignall	O
said	O
it	O
was	O
among	O
the	O
best	O
arcade	O
adventures	O
on	O
the	O
Commodore	O
64	O
since	O
it	O
had	O
the	O
right	O
balance	O
of	O
frustration	O
and	O
addiction	O
to	O
keep	O
him	O
playing	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
version	O
for	O
weeks	O
.	O
</s>
<s>
Gary	O
Penn	O
,	O
however	O
,	O
considered	O
the	O
game	O
average	O
when	O
it	O
first	O
released	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
thought	O
that	O
the	O
port	O
of	O
the	O
year-old	O
game	O
had	O
out-of-date	O
sounds	O
,	O
out-of-tune	O
title	O
music	O
,	O
and	O
was	O
overall	O
not	O
among	O
the	O
Commodore	O
64	O
's	O
best	O
adventure	O
games	O
.	O
</s>
<s>
Gary	O
Liddon	O
thought	O
that	O
the	O
Commodore	O
64	O
version	O
appeared	O
"	O
crude	O
"	O
compared	O
to	O
other	O
releases	O
for	O
the	O
platform	O
,	O
though	O
perhaps	O
par	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
.	O
</s>
<s>
In	O
the	O
early	O
1990s	O
,	O
Your	O
Sinclair	O
rated	O
the	O
game	O
within	O
the	O
top	O
fifth	O
of	O
their	O
top	O
100	O
ZX	B-Operating_System
Spectrum	I-Operating_System
games	O
.	O
</s>
<s>
The	O
magazine	O
said	O
that	O
Underwurlde	B-Application
was	O
the	O
most	O
simultaneously	O
loved	O
and	O
hated	O
game	O
of	O
its	O
era	O
—	O
though	O
Sabreman	O
's	O
invulnerability	O
to	O
direct	O
damage	O
was	O
novel	O
,	O
the	O
Your	O
Sinclair	O
also	O
recalled	O
the	O
game	O
's	O
"	O
stratospheric	O
level	O
of	O
frustration	O
"	O
.	O
</s>
<s>
Underwurlde	B-Application
was	O
later	O
included	O
in	O
the	O
2015	O
Xbox	B-Device
One	I-Device
retrospective	O
compilation	O
Rare	B-Application
Replay	I-Application
,	O
wherein	O
critics	O
rated	O
it	O
among	O
the	O
worst	O
of	O
the	O
30	O
titles	O
by	O
Ultimate	O
Play	O
the	O
Game	O
and	O
its	O
successor	O
,	O
Rare	O
.	O
</s>
<s>
Kyle	O
Hilliard	O
(	O
Game	O
Informer	O
)	O
wrote	O
that	O
Ultimate	O
's	O
early	O
games	O
,	O
such	O
as	O
Underwurlde	B-Application
,	O
fared	O
the	O
worst	O
in	O
the	O
package	O
,	O
though	O
he	O
was	O
glad	O
they	O
were	O
included	O
.	O
</s>
<s>
"	O
By	O
today	O
's	O
standards	O
,	O
"	O
began	O
New	O
Zealand	O
newspaper	O
The	O
Nelson	O
Mail	O
,	O
"	O
the	O
likes	O
of	O
...	O
Underwurlde	B-Application
are	O
so	O
clunky	O
and	O
archaic	O
that	O
they	O
are	O
almost	O
laughably	O
impenetrable	O
;	O
strange	O
relics	O
from	O
a	O
bygone	O
era	O
that	O
serve	O
only	O
to	O
illustrate	O
how	O
far	O
the	O
industry	O
has	O
progressed.	O
"	O
</s>
