Produce coins.
Produce wood.
Produce stone.
Produce iron.
Produce coal.
Produce steel.
Build an Island Hub on island 2.
Build a Research Academy on a big plot.
Defeat a monsters camp level 1.
Defeat a monsters camp level 10.
Defeat a monsters camp level 20.
Upgrade an island hub to level 5.
Upgrade an island hub to level 10.
Upgrade a transportation ship to level 2.