Atlas Expansion adds to Mare Nostrum - Empires the 6th player including a game board expansion (increase map size by 50%), Atlas starting hero, 8 legions, 5 triremes, 5 fortresses, 7 control markers, 5 leadership markers, 9 resources, forum mat, and player screen.
Atlas Expansion includes new heroes, cards, counters, scenarios, and tiles with:
- the 2 players rule book expansion;
- the Barbarians (a special set with 3 triremes, 3 fortresses, and 8 Barbarians hordes);
- Troy!, a military expansion;
- Jerusalem!, a cultural expansion;
- Syracuse!, an economic expansion;
- the Mausoleum;
- the Greek Fire;
- the Myrmidons!