<s>
is	O
a	O
platform	O
game	O
developed	O
by	O
Westone	O
and	O
published	O
by	O
ININ	O
Games	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
and	O
PlayStation	B-Operating_System
4	I-Operating_System
.	O
</s>
<s>
Clockwork	B-Application
Aquario	I-Application
was	O
intended	O
to	O
be	O
the	O
last	O
arcade	O
game	O
by	O
Westone	O
,	O
developed	O
in	O
1992	O
for	O
Sega	O
System	O
18	O
and	O
push	O
the	O
hardware	O
to	O
its	O
limits	O
;	O
however	O
,	O
it	O
was	O
canceled	O
due	O
to	O
the	O
increasing	O
popularity	O
of	O
3D	O
games	O
and	O
fighting	O
games	O
in	O
arcades	O
as	O
well	O
as	O
negative	O
feedback	O
during	O
location	O
tests	O
in	O
1993	O
.	O
</s>
<s>
Clockwork	B-Application
Aquario	I-Application
holds	O
the	O
Guinness	O
world	O
record	O
for	O
the	O
longest	O
time	O
between	O
the	O
start	O
of	O
a	O
video	O
game	O
project	O
and	O
its	O
release	O
,	O
at	O
28	O
years	O
and	O
81	O
days	O
.	O
</s>
<s>
Clockwork	B-Application
Aquario	I-Application
garnered	O
mixed	O
reception	O
from	O
critics	O
;	O
praise	O
was	O
directed	O
to	O
the	O
unconventional	O
pick-up-and-throw	O
combo-chaining	O
system	O
similar	O
to	O
Treasure	O
titles	O
due	O
to	O
the	O
controls	O
,	O
colorful	O
visuals	O
reminiscent	O
of	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
era	O
,	O
soundtrack	O
and	O
co-op	O
multiplayer	O
,	O
but	O
other	O
felt	O
mixed	O
in	O
regards	O
to	O
the	O
gameplay	O
,	O
difficulty	O
,	O
superfluous	O
ideas	O
,	O
mechanics	O
and	O
overall	O
presentation	O
,	O
while	O
its	O
short	O
length	O
was	O
universally	O
criticized	O
.	O
</s>
<s>
Clockwork	B-Application
Aquario	I-Application
is	O
an	O
action-platform	O
game	O
reminiscent	O
of	O
Super	B-Application
Mario	I-Application
Bros	I-Application
.	I-Application
and	O
Wonder	B-Application
Boy	I-Application
III	I-Application
:	I-Application
Monster	I-Application
Lair	I-Application
,	O
where	O
players	O
assume	O
the	O
role	O
of	O
Huck	O
Rondo	O
,	O
Elle	O
Moon	O
or	O
the	O
robot	O
Gush	O
through	O
five	O
stages	O
in	O
order	O
to	O
stop	O
Dr.	O
Hangyo	O
with	O
his	O
plan	O
to	O
take	O
over	O
the	O
world	O
.	O
</s>
<s>
The	O
game	O
features	O
a	O
2-hit	O
points	O
per	O
life	O
system	O
similar	O
to	O
Ghosts	B-Application
'	I-Application
n	I-Application
Goblins	I-Application
,	O
in	O
which	O
getting	O
hit	O
once	O
would	O
make	O
the	O
player	O
's	O
clothes	O
look	O
tattered	O
and	O
getting	O
hit	O
a	O
second	O
time	O
results	O
in	O
a	O
life	O
lost	O
,	O
however	O
the	O
character	O
's	O
clothes	O
can	O
be	O
restored	O
by	O
picking	O
up	O
a	O
health	O
item	O
.	O
</s>
<s>
Clockwork	B-Application
Aquario	I-Application
was	O
created	O
in	O
1992	O
at	O
Westone	O
.	O
</s>
<s>
It	O
was	O
intended	O
to	O
be	O
their	O
final	O
arcade	O
game	O
,	O
and	O
most	O
of	O
the	O
staff	O
were	O
previously	O
involved	O
with	O
several	O
entries	O
in	O
the	O
Wonder	B-Application
Boy/Monster	I-Application
World	I-Application
series	O
.	O
</s>
<s>
Clockwork	B-Application
Aquario	I-Application
was	O
designed	O
to	O
push	O
the	O
hardware	O
limits	O
of	O
the	O
Sega	O
System	O
18	O
board	O
.	O
</s>
<s>
Both	O
Nishizawa	O
and	O
Sakamoto	O
recounted	O
the	O
project	O
's	O
development	O
process	O
and	O
history	O
through	O
various	O
publications	O
,	O
stating	O
that	O
the	O
project	O
was	O
created	O
over	O
the	O
course	O
of	O
two	O
years	O
and	O
intended	O
to	O
resemble	O
Wonder	B-Application
Boy	I-Application
III	I-Application
:	I-Application
Monster	I-Application
Lair	I-Application
but	O
focusing	O
on	O
co-op	O
play	O
before	O
the	O
team	O
added	O
a	O
third	O
player	O
.	O
</s>
<s>
Nishizawa	O
stated	O
that	O
the	O
game	O
was	O
coded	O
in	O
Assembler	B-Language
language	I-Language
and	O
recalled	O
that	O
the	O
team	O
used	O
in-circuit	B-Application
emulation	I-Application
for	O
debugging	O
.	O
</s>
<s>
Nishizawa	O
claimed	O
that	O
the	O
System	O
18	O
was	O
a	O
complex	O
and	O
difficult	O
board	O
to	O
work	O
with	O
,	O
due	O
to	O
programmers	O
having	O
to	O
control	O
two	O
graphical	O
functions	O
with	O
one	O
MPU	B-General_Concept
.	O
</s>
<s>
Clockwork	B-Application
Aquario	I-Application
was	O
first	O
playable	O
in	O
a	O
mostly-complete	O
state	O
during	O
location	O
tests	O
at	O
Shinjuku	O
and	O
Ueno	O
in	O
1993	O
.	O
</s>
<s>
In	O
2020	O
,	O
German	O
publisher	O
Strictly	O
Limited	O
Games	O
announced	O
that	O
it	O
would	O
be	O
launched	O
in	O
2020	O
for	O
Nintendo	B-Application
Switch	I-Application
and	O
PlayStation	B-Operating_System
4	I-Operating_System
as	O
a	O
limited	O
physical	O
and	O
digital	O
release	O
by	O
ININ	O
Games	O
,	O
after	O
acquiring	O
the	O
rights	O
from	O
Sega	O
.	O
</s>
<s>
In	O
November	O
2020	O
,	O
Strictly	O
Limited	O
Games	O
announced	O
physical	O
editions	O
in	O
limited	O
supply	O
for	O
Nintendo	B-Application
Switch	I-Application
and	O
PlayStation	B-Operating_System
4	I-Operating_System
.	O
</s>
<s>
Clockwork	B-Application
Aquario	I-Application
holds	O
the	O
Guinness	O
world	O
record	O
for	O
the	O
longest	O
time	O
between	O
the	O
start	O
of	O
a	O
video	O
game	O
project	O
and	O
its	O
release	O
,	O
at	O
28	O
years	O
and	O
81	O
days	O
.	O
</s>
<s>
According	O
to	O
review	B-Application
aggregator	I-Application
site	O
Metacritic	O
,	O
Clockwork	B-Application
Aquario	I-Application
received	O
"	O
mixed	O
or	O
average	O
"	O
reviews	O
on	O
both	O
PS4	B-Operating_System
and	O
Switch	O
.	O
</s>
<s>
Famitsus	O
four	O
reviewers	O
found	O
it	O
to	O
be	O
a	O
simple	O
side-scrolling	O
action	B-Application
game	I-Application
,	O
commending	O
its	O
simple	O
but	O
deep	O
combo-chaining	O
system	O
,	O
colorful	O
visuals	O
reminiscent	O
of	O
the	O
Mega	B-Operating_System
Drive	I-Operating_System
era	O
,	O
detailed	O
backgrounds	O
,	O
controls	O
and	O
overall	O
presentation	O
,	O
but	O
they	O
felt	O
mixed	O
in	O
regards	O
to	O
the	O
grab	O
and	O
throw	O
mechanic	O
.	O
</s>
<s>
Reviewing	O
the	O
PS4	B-Operating_System
version	O
,	O
</s>
<s>
Hardcore	O
Gaming	O
101s	O
Kurt	O
Kalata	O
stated	O
that	O
its	O
visuals	O
were	O
some	O
the	O
best	O
Westone	O
produced	O
and	O
commended	O
the	O
energetic	O
action	B-Application
,	O
upbeat	O
soundtrack	O
,	O
attention	O
to	O
detail	O
and	O
multiplayer	O
.	O
</s>
<s>
Hardcore	O
Gamer	O
Jeremy	O
Peeples	O
stated	O
that	O
"	O
Clockwork	B-Application
Aquario	I-Application
is	O
a	O
fantastic	O
action-platformer	O
that	O
blends	O
quick-moving	O
playable	O
characters	O
and	O
enemies	O
alongside	O
an	O
inventive	O
attack	O
strategy	O
.	O
</s>
<s>
Peeples	O
felt	O
that	O
the	O
grab	O
and	O
throw	O
mechanic	O
was	O
reminiscent	O
of	O
Treasure	O
titles	O
like	O
Gunstar	B-Application
Heroes	I-Application
and	O
Dynamite	B-Application
Headdy	I-Application
due	O
to	O
its	O
depth	O
and	O
controls	O
,	O
while	O
praising	O
the	O
addictive	O
gameplay	O
,	O
accessible	O
difficulty	O
,	O
audio	O
design	O
and	O
visuals	O
.	O
</s>
<s>
Destructoids	O
Chris	O
Moyse	O
also	O
reviewed	O
the	O
PS4	B-Operating_System
version	O
,	O
giving	O
positive	O
remarks	O
to	O
its	O
visuals	O
due	O
to	O
the	O
sprite	O
work	O
and	O
detailed	O
backgrounds	O
,	O
whimsical	O
soundtrack	O
and	O
1990s	O
anime-style	O
aesthetic	O
,	O
but	O
found	O
the	O
gameplay	O
to	O
be	O
standard	O
and	O
noted	O
its	O
short	O
length	O
given	O
the	O
asking	O
retail	O
price	O
.	O
</s>
