<s>
ZeroRanger	B-Application
is	O
a	O
scrolling	O
shooter	O
developed	O
by	O
Finnish	O
studio	O
System	O
Erasure	O
and	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
in	O
September	O
2018	O
.	O
</s>
<s>
ZeroRanger	B-Application
is	O
primarily	O
a	O
vertically	O
scrolling	O
shoot	O
'	O
em	O
up	O
,	O
with	O
side	O
scrolling	O
in	O
some	O
levels	O
.	O
</s>
<s>
ZeroRanger	B-Application
takes	O
place	O
on	O
an	O
Earth-like	O
planet	O
called	O
Daikon	O
,	O
where	O
aliens	O
known	O
as	O
Green	O
Orange	O
have	O
invaded	O
with	O
the	O
intent	O
of	O
destroying	O
all	O
life	O
.	O
</s>
<s>
The	O
game	O
was	O
later	O
given	O
more	O
unique	O
names	O
so	O
that	O
the	O
game	O
would	O
be	O
easier	O
to	O
search	O
for	O
on	O
Google	B-Application
;	O
the	O
game	O
was	O
first	O
renamed	O
to	O
FINALBOSS	O
,	O
and	O
in	O
April	O
2018	O
it	O
was	O
again	O
renamed	O
,	O
to	O
ZeroRanger	B-Application
.	O
</s>
<s>
Taking	O
inspiration	O
from	O
the	O
limited	O
blue	O
and	O
white	O
color	O
scheme	O
of	O
Guxt	O
,	O
ZeroRanger	B-Application
has	O
a	O
limited	O
green	O
and	O
orange	O
color	O
scheme	O
.	O
</s>
<s>
In	O
2011	O
,	O
the	O
developers	O
were	O
particularly	O
inspired	O
by	O
the	O
"	O
pure	O
energy	O
and	O
spirit	O
of	O
adventure	O
"	O
from	O
Eschatos	B-Application
.	O
</s>
<s>
Other	O
influences	O
cited	O
by	O
the	O
developer	O
include	O
Cho	B-Application
Ren	I-Application
Sha	I-Application
68K	I-Application
,	O
Ikaruga	B-Application
,	O
and	O
Flame	O
Zapper	O
Kotsujin	O
.	O
</s>
<s>
From	O
Cho	B-Application
Ren	I-Application
Sha	I-Application
68K	I-Application
,	O
the	O
developers	O
tried	O
to	O
incorporate	O
its	O
"	O
feeling	O
of	O
intimidation	O
before	O
you	O
're	O
actually	O
facing	O
the	O
danger	O
"	O
.	O
</s>
<s>
In	O
Ikaruga	B-Application
,	O
"	O
every	O
enemy	O
pattern	O
is	O
distinct	O
from	O
one	O
another	O
"	O
;	O
feeling	O
the	O
impact	O
of	O
this	O
,	O
the	O
ZeroRanger	B-Application
developers	O
aimed	O
to	O
minimize	O
repetition	O
.	O
</s>
<s>
The	O
release	O
of	O
the	O
role-playing	O
video	O
game	O
Undertale	B-Application
reinforced	O
the	O
developer	O
's	O
desire	O
to	O
make	O
a	O
game	O
with	O
a	O
good	O
soundtrack	O
.	O
</s>
<s>
The	O
aim	O
was	O
for	O
ZeroRanger	B-Application
to	O
be	O
a	O
very	O
approachable	O
"	O
pick	O
up	O
and	O
play	O
"	O
game	O
,	O
where	O
players	O
would	O
not	O
need	O
to	O
read	O
guides	O
to	O
understand	O
how	O
to	O
play	O
the	O
game	O
.	O
</s>
<s>
ZeroRanger	B-Application
was	O
developed	O
using	O
GameMaker	B-Operating_System
Studio	I-Operating_System
as	O
the	O
game	O
engine	O
.	O
</s>
<s>
Development	O
started	O
with	O
GameMaker	B-Operating_System
6	O
,	O
then	O
moved	O
to	O
GameMaker	B-Operating_System
8	O
,	O
and	O
later	O
to	O
GameMaker	B-Operating_System
Studio	I-Operating_System
.	O
</s>
<s>
Switching	O
between	O
these	O
versions	O
caused	O
thousands	O
of	O
compilation	B-Error_Name
errors	I-Error_Name
that	O
were	O
time-consuming	O
to	O
fix	O
.	O
</s>
<s>
Justifying	O
the	O
effort	O
,	O
the	O
developer	O
cited	O
GameMaker	B-Operating_System
Studio	I-Operating_System
's	O
performance	O
improvements	O
and	O
its	O
introduction	O
of	O
shaders	O
that	O
allowed	O
colors	O
to	O
be	O
easily	O
changed	O
during	O
post-processing	O
,	O
letting	O
the	O
developer	O
make	O
color	B-Data_Structure
palettes	I-Data_Structure
for	O
the	O
game	O
without	O
having	O
to	O
create	O
new	O
sprites	O
for	O
each	O
palette	B-Data_Structure
.	O
</s>
<s>
Sprites	O
were	O
created	O
using	O
Microsoft	B-Application
Paint	I-Application
.	O
</s>
<s>
Sound	O
effects	O
were	O
created	O
using	O
Sfxr	O
,	O
Bfxr	O
and	O
Audacity	B-Language
,	O
as	O
well	O
as	O
free	O
sound	O
libraries	O
.	O
</s>
<s>
Both	O
of	O
the	O
reviews	O
aggregated	O
by	O
Metacritic	O
gave	O
ZeroRanger	B-Application
a	O
score	O
of	O
90/100	O
,	O
indicating	O
that	O
the	O
game	O
was	O
received	O
positively	O
,	O
though	O
this	O
is	O
inconclusive	O
due	O
to	O
a	O
low	O
quantity	O
of	O
aggregated	O
scores	O
.	O
</s>
<s>
Reviewers	O
noted	O
that	O
ZeroRanger	B-Application
was	O
densely	O
packed	O
with	O
references	O
to	O
other	O
shoot	O
'	O
em	O
ups	O
while	O
still	O
having	O
its	O
own	O
identity	O
.	O
</s>
<s>
Dominic	O
Tarason	O
of	O
Rock	O
,	O
Paper	O
,	O
Shotgun	O
called	O
ZeroRanger	B-Application
a	O
"	O
lovingly	O
assembled	O
mix-tape	O
featuring	O
the	O
best	O
bits	O
across	O
all	O
of	O
shmup	O
history	O
"	O
.	O
</s>
<s>
ZeroRanger	B-Application
was	O
praised	O
for	O
being	O
relatively	O
friendly	O
to	O
casual	O
players	O
,	O
while	O
still	O
having	O
the	O
difficulty	O
expected	O
of	O
arcade-style	O
shoot	O
'	O
em	O
ups	O
.	O
</s>
<s>
The	O
response	O
towards	O
the	O
game	O
's	O
difficulty	O
was	O
not	O
universally	O
favorable	O
,	O
as	O
Miia	O
Lyyra	O
of	O
V2.fi	O
criticized	O
ZeroRanger	B-Application
for	O
not	O
including	O
selectable	O
difficulty	O
in	O
the	O
initial	O
release	O
.	O
</s>
<s>
Steven	O
Wright	O
of	O
Variety	O
placed	O
ZeroRanger	B-Application
fourth	O
on	O
a	O
list	O
of	O
the	O
best	O
indie	O
games	O
for	O
2018	O
.	O
</s>
