Only changes of the rules from scenario type Colonization are mentioned on this site.
Starting conditions
All four: 8 Phalanges in each native polis
Corinth, Thebes, Sparta: + 2 blue commodities & + 1 coin without motive
Athens: + 1 blue commodity & + 1 coin without motive
End of game
Winter 426 BC after scoring
Mission cards
Coin combo mission cards excluded from the scenario.
Events
1 common polis is discovered in the east.
8 Phalanges join your command at the discovered water tile.
Recruit 1 navigator in your native polis.
1 polis is discovered in the east.
5 VP for conquering the first polis in the north.
5 VP for conquering the first polis in the south.
1 neutral poleis is discovered in the south. Each neutral polis in the south gains 2 Phalanges.
Double scoring of number of poleis.
1 sea tile is discovered in the north. Then 1 neutral wealthy polis is discovered in the north.
Volcano erruption in a polis of the other teams choice – native poleis and wealthy polies are excluded. The polis tile is flipped and all units and are lost, except the team decides to retreat to an adjacent tile. Retreat costs apply.