<s>
is	O
a	O
2010	O
tower	B-Application
defense	I-Application
video	O
game	O
by	O
Ancient	O
for	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
.	O
</s>
<s>
Released	O
on	O
the	O
Xbox	B-Device
Live	I-Device
Indie	I-Device
Games	I-Device
service	O
,	O
the	O
game	O
features	O
music	O
composed	O
by	O
Ancient	O
co-founder	O
Yuzo	O
Koshiro	O
.	O
</s>
<s>
Protect	B-Application
Me	I-Application
Knight	I-Application
features	O
8-bit	O
visuals	O
and	O
audio	O
and	O
contains	O
different	O
digital	O
box	O
art	O
styles	O
for	O
the	O
Japanese	O
and	O
English	O
versions	O
of	O
the	O
game	O
,	O
as	O
a	O
humorous	O
spoof	O
to	O
the	O
regional	O
box	O
art	O
differences	O
of	O
video	O
games	O
from	O
the	O
8-bit	O
and	O
16-bit	B-Device
eras	O
.	O
</s>
<s>
A	O
sequel	O
,	O
Gotta	O
Protectors	O
,	O
was	O
released	O
for	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
in	O
Japan	O
in	O
September	O
2014	O
and	O
globally	O
in	O
July	O
2016	O
.	O
</s>
<s>
A	O
third	O
game	O
,	O
Gotta	O
Protectors	O
:	O
Cart	O
of	O
Darkness	O
,	O
was	O
released	O
for	O
the	O
Nintendo	B-Application
Switch	I-Application
in	O
Japan	O
in	O
October	O
2019	O
and	O
in	O
English	O
by	O
8-4	O
in	O
April	O
2022	O
.	O
</s>
