Navigation is a tier three technology that unlocks the Battleship unit, movement on ocean tiles, and the Explorer task.

Navigation is a crucial technology on maps that require naval development and expansion over ocean.

Polar Warfare

Polaris has the Polar Warfare technology instead of Navigation. Polar Warfare unlocks the Battle Sled and Ice Fortress units and the Explorer task.

The use of Polar Warfare and the units it unlocks largely depends on individual playstyle and varies from game to game.

Oceanology

Cymanti has the Oceanology technology instead of Navigation. Oceanology unlocks the Raychi unit and the Explorer task.

Oceanology is a crucial technology on maps that require naval development and expansion over neutral and enemy territory because Raychi are used to build Algae bridges.

Technology
Hunting
Archery - Spiritualism
Forestry - Mathematics
Riding
Roads - Trade
Free Spirit - Chivalry
Organization
Farming - Construction
Shields - Diplomacy
Fishing
Sailing - Navigation
Whaling - Aquatism
Climbing
Mining - Smithery
Meditation - Philosophy
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