<s>
20XX	B-Application
is	O
an	O
indie	O
action	B-Application
platform	O
video	O
game	O
developed	O
by	O
American	O
indie	O
studio	O
Batterystaple	O
Games	O
.	O
</s>
<s>
The	O
early	O
access	O
version	O
was	O
released	O
for	O
Microsoft	B-Application
Windows	I-Application
on	O
Steam	B-Application
on	O
October	O
12	O
,	O
2016	O
.	O
</s>
<s>
A	O
sequel	O
,	O
30XX	B-Application
,	O
is	O
available	O
on	O
Steam	B-Application
Early	O
Access	O
.	O
</s>
<s>
Inspired	O
by	O
Mega	B-Application
Man	I-Application
X	I-Application
,	O
players	O
must	O
defeat	O
enemies	O
and	O
complete	O
difficult	O
platforming	O
challenges	O
to	O
finish	O
a	O
stage	O
.	O
</s>
<s>
Rather	O
than	O
giving	O
several	O
lives	O
,	O
the	O
game	O
has	O
permadeath	B-Application
,	O
but	O
is	O
a	O
"	O
roguelite	O
"	O
in	O
that	O
the	O
player	O
can	O
use	O
Soul	O
Chips	O
earned	O
during	O
the	O
level	O
to	O
unlock	O
new	O
types	O
of	O
passive	O
upgrades	O
to	O
buy	O
,	O
and	O
gain	O
upgrades	O
for	O
the	O
next	O
attempt	O
of	O
that	O
particular	O
run	O
.	O
</s>
<s>
20XX	B-Application
began	O
to	O
be	O
developed	O
after	O
a	O
crowdfunding	O
campaign	O
on	O
Kickstarter	O
in	O
the	O
spring	O
of	O
2014	O
,	O
when	O
the	O
game	O
was	O
called	O
Echoes	O
of	O
Eridu	O
.	O
</s>
<s>
The	O
idea	O
behind	O
the	O
game	O
was	O
due	O
to	O
his	O
belief	O
that	O
Capcom	O
had	O
ceased	O
to	O
make	O
enough	O
Mega	B-Application
Man	I-Application
titles	O
,	O
and	O
that	O
he	O
and	O
other	O
fans	O
desired	O
more	O
of	O
the	O
same	O
type	O
of	O
gameplay	O
.	O
</s>
<s>
The	O
developer	O
's	O
main	O
focus	O
was	O
on	O
the	O
game	O
feel	O
and	O
getting	O
it	O
to	O
play	O
in	O
a	O
similar	O
manner	O
to	O
Mega	B-Application
Man	I-Application
.	O
</s>
<s>
The	O
most	O
difficult	O
aspect	O
in	O
developing	O
the	O
game	O
was	O
debugging	O
its	O
netcode	B-Application
that	O
allowed	O
for	O
online	O
play	O
.	O
</s>
<s>
Chris	O
believes	O
that	O
Steam	B-Application
's	O
Early	O
Access	O
program	O
was	O
essential	O
to	O
the	O
development	O
of	O
the	O
game	O
,	O
and	O
"	O
could	O
n't	O
imagine	O
"	O
releasing	O
it	O
without	O
it	O
.	O
</s>
<s>
The	O
game	O
's	O
soundtrack	O
was	O
composed	O
by	O
Brandon	O
"	O
Cityfires	O
"	O
Ellis	O
and	O
includes	O
chiptune	O
and	O
synthesizer	O
elements	O
to	O
make	O
it	O
resemble	O
that	O
of	O
a	O
Super	B-Application
NES	I-Application
game	O
.	O
</s>
<s>
20XX	B-Application
has	O
been	O
well	O
received	O
.	O
</s>
