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Science

The icon for the Tech Tree

Technologies can be researched using stars. They unlock new abilities, units, and buildings. All tribes, except for Luxidoor and Aquarion, start with a technology that is already researched.

Tech tree HD

The Xin-xi tech tree

The cost to research a new technology increases as more cities are added to a tribe's empire. The cost is calculated as follows:

Cost = (Tier of Tech)*(Number of Cities) + 4
In other words, Tier One (T1) technologies initially cost five stars, T2 techs initially cost six, and T3 techs initially cost seven with your capital city. For each additional city or village captured, the cost of technologies increases by one, two, or three stars for T1, T2, and T3 technologies, respectively.

The Literacy ability, unlocked with the Philosophy technology, decreases the price of technologies by 20% (rounded up).

To access the Tech Tree, tap the blue beaker at the bottom of the screen. If you can currently afford a technology, the button will glow blue. If not, it will be black.

Tier One Technologies

Tier One technologies can immediately be researched at the start of the game and initially cost five stars.

Tier Two Technologies

Tier Two technologies can be only researched after the Tier One technology of the branch is researched. T2 technologies initially cost six stars.

Tier Three Technologies

Tier Two technologies can be only researched after the Tier Two technology of the branch is researched. T3 technologies initially cost six stars.

A technology after Shields will be added in the future.

Table

Technology Unlocks Native to
Tier 1
Climbing Movement on mountain tiles (including movement for explorers), allows players to see ore in mountains Xin-Xi
Fishing Fishing, allows players to see whales Kickoo
Hunting Hunting Bardur
Organization Gathering fruit, allows players to see fields with crop Imperius
Riding Rider Oumaji
Tier 2
Archery Archer, defence bonus on forest tiles Hoodrick
Farming Farm Zebasi
Forestry Lumber Hut, Clear Forest none
Free Spirit Temple, Disband none
Meditation Mountain Temple, defence bonus on mountain tiles, Pacifist task Ai-Mo
Mining Mine none
Roads Roads, Network task Yădakk
Sailing Ports, Boat, Ship, allows explorers to move on shallow water tiles none
Shields Defender Quetzali
Whaling Hunt Whale none
Tier 3
Aquatism Water Temple, defence bonus on ocean and shallow water tiles none
Chivalry Knight, Burn Forest none
Construction Windmill, Destroy none
Mathematics Sawmill, Catapult none
Navigation Battleship, movement on shallow water tiles (for units with carry and explorers), Explorer task none
Smithery Forge, Swordsman Vengir
Spiritualism Forest Temple, Grow Forest none
Trade Customs House, Wealth task none
Philosophy Mind Bender, Literacy Bonus, Genius task none
Ruin Rewards
Battleship, Crab, Explorer, Giant, Population, Population Growth, Stars, Super Unit, Technology
Game Mechanics
AI Relationships, Combat, Population, Stars, Technology, Terrain, Unit Skills

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