<s>
Crimson	B-Application
Gem	I-Application
Saga	I-Application
is	O
a	O
role-playing	O
video	O
game	O
developed	O
for	O
the	O
PlayStation	B-Operating_System
Portable	I-Operating_System
and	O
iOS	B-Application
.	O
</s>
<s>
It	O
was	O
developed	O
by	O
South	O
Korean	O
studio	O
IRONNOS	O
and	O
published	O
in	O
Korea	O
by	O
SK	O
Telecom	O
as	O
Astonishia	B-Application
Story	I-Application
2	O
.	O
</s>
<s>
It	O
was	O
released	O
in	O
North	O
America	O
on	O
May	O
26	O
,	O
2009	O
by	O
Atlus	O
under	O
the	O
title	O
Crimson	B-Application
Gem	I-Application
Saga	I-Application
,	O
and	O
was	O
released	O
in	O
Japan	O
under	O
the	O
title	O
Garnet	O
Chronicle	O
by	O
Sega	O
.	O
</s>
<s>
The	O
game	O
is	O
a	O
sequel	O
in	O
story	O
to	O
Astonishia	B-Application
Story	I-Application
,	O
but	O
since	O
much	O
of	O
the	O
game	O
's	O
mechanics	O
were	O
changed	O
,	O
the	O
title	O
in	O
all	O
regions	O
was	O
also	O
changed	O
.	O
</s>
<s>
Combat	O
in	O
Crimson	B-Application
Gem	I-Application
Saga	I-Application
is	O
similar	O
to	O
many	O
turn-based	O
RPGs	O
.	O
</s>
<s>
GameRankings	O
and	O
Metacritic	O
gave	O
it	O
a	O
score	O
of	O
79.02	O
%	O
and	O
78	O
out	O
of	O
100	O
for	O
the	O
PSP	B-Operating_System
version	O
,	O
and	O
69.75	O
%	O
and	O
70	O
out	O
of	O
100	O
for	O
the	O
iOS	B-Application
version	O
.	O
</s>
<s>
On	O
August	O
3	O
,	O
2010	O
Crimson	B-Application
Gem	I-Application
Saga	I-Application
was	O
released	O
on	O
Apple	O
's	O
App	O
Store	O
for	O
iOS	B-Application
.	O
</s>
<s>
It	O
was	O
featured	O
on	O
the	O
App	O
Store	O
's	O
"	O
New	O
and	O
Noteworthy	O
"	O
category	O
for	O
Role	O
Playing	O
iOS	B-Application
Games	O
specifically	O
and	O
for	O
all	O
iOS	B-Application
Games	O
,	O
"	O
Top	O
Grossing	O
Role	O
Playing	O
Game	O
"	O
and	O
"	O
What	O
's	O
Hot	O
"	O
categories	O
.	O
</s>
<s>
It	O
has	O
not	O
been	O
updated	O
for	O
years	O
,	O
and	O
no	O
longer	O
functions	O
on	O
the	O
current	O
iOS	B-Application
.	O
</s>
