<s>
Mare	B-Application
Nostrum	I-Application
is	O
a	O
multiplayer	O
team-based	O
first-person	O
action	O
video	O
game	O
by	O
American	O
developer	O
Sandstorm	O
Productions	O
,	O
created	O
as	O
a	O
total	O
conversion	O
modification	O
of	O
Red	B-Application
Orchestra	I-Application
:	I-Application
Ostfront	I-Application
41-45	I-Application
.	O
</s>
<s>
The	O
overall	O
aim	O
of	O
the	O
modification	O
is	O
to	O
incorporate	O
the	O
African	O
,	O
Mediterranean	O
and	O
Middle	O
East	O
theatres	O
of	O
World	O
War	O
II	O
as	O
a	O
supplement	O
to	O
the	O
Red	B-Application
Orchestra	I-Application
:	I-Application
Ostfront	I-Application
41-45	I-Application
title	O
.	O
</s>
<s>
Mare	B-Application
Nostrum	I-Application
game	O
play	O
is	O
similar	O
to	O
its	O
parent	O
game	O
,	O
in	O
that	O
players	O
assume	O
the	O
role	O
of	O
an	O
individual	O
infantryman	O
or	O
tank	O
crew	O
during	O
World	O
War	O
II	O
battles	O
in	O
an	O
online	O
multiplayer	O
environment	O
.	O
</s>
<s>
The	O
Mare	B-Application
Nostrum	I-Application
team	O
was	O
formed	O
8	O
Aug	O
2006	O
with	O
the	O
merger	O
of	O
2	O
separate	O
Red	B-Application
Orchestra	I-Application
:	I-Application
Ostfront	I-Application
41-45	I-Application
modification	O
teams	O
;	O
Campagna	O
Italiana	O
team	O
and	O
the	O
Burning	O
Sands	O
team	O
.	O
</s>
<s>
The	O
Mare	B-Application
Nostrum	I-Application
game	O
project	O
is	O
current	O
subdivided	O
into	O
two	O
phases	O
which	O
reflects	O
the	O
original	O
merger	O
.	O
</s>
<s>
The	O
first	O
is	O
titled	O
'	O
Mare	B-Application
Nostrum	I-Application
:	O
Afrikafeldzug	O
40-43	O
'	O
which	O
concentrates	O
on	O
the	O
actions	O
during	O
the	O
North	O
African	O
Campaign	O
.	O
</s>
<s>
The	O
second	O
,	O
unreleased	O
,	O
phase	O
is	O
titled	O
'	O
Mare	B-Application
Nostrum	I-Application
:	O
Campagna	O
Italiana	O
43-45	O
'	O
,	O
and	O
will	O
encompass	O
actions	O
in	O
and	O
around	O
Sicily	O
and	O
main	O
land	O
Italy	O
.	O
</s>
<s>
On	O
October	O
17	O
,	O
2008	O
,	O
Mare	B-Application
Nostrum	I-Application
was	O
released	O
on	O
Steam	B-Application
.	O
</s>
<s>
Due	O
to	O
Steam	B-Application
's	O
automatic	O
update	O
feature	O
,	O
version	O
numbers	O
were	O
dropped	O
and	O
all	O
further	O
versions	O
were	O
released	O
exclusively	O
on	O
Steam	B-Application
.	O
</s>
<s>
On	O
December	O
11	O
,	O
2009	O
Mare	B-Application
Nostrum	I-Application
received	O
a	O
large	O
content	O
update	O
through	O
Steam	B-Application
which	O
added	O
Steam	B-Application
Achievements	O
,	O
making	O
it	O
the	O
first	O
Red	B-Application
Orchestra	I-Application
mod	O
to	O
do	O
so	O
.	O
</s>
<s>
Mare	B-Application
Nostrum	I-Application
was	O
named	O
as	O
one	O
of	O
the	O
ModDB	O
top	O
100	O
unreleased	O
mods	O
during	O
the	O
2007	O
event	O
.	O
</s>
