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Screenshot via Age of Empires YouTube

Full Abbasid Dynasty Civilization Technology Tree in Age of Empires IV: Units, Buildings, and Upgrades

The whole tree

Age of Empires IV is a real-time strategy game that requires you to memorize tech trees to play effectively and get units out as soon as possible when you need them. However, each civilization has unique features and units, so remembering the prerequisites for each one can be difficult.

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Full Abbasid Dynasty Tech Tree

The tech tree below is sorted in ascending order by Civilization Age, then alphabetically by Building and the units/upgrades they provide at that Age. If a unit/upgrade is nested in another unit/upgrade, the parent list item is a prerequisite to the child list item.

Dark Age

The following buildings and units become available in the Dark Age.

  • Barracks
    • Dark Age
      • Spearman
        • Hardened Spearman
          • Veteran Spearman (Castle Age)
            • Elite Spearman (Imperial Age)
    • Castle Age
      • Man-at-Arms
        • Elite Man-at-Arms (Imperial Age)
  • Dock
    • Dark Age
      • Fishing Boat
      • Transport Ship
    • Feudal Age
      • Trade Ship
      • Dhow
      • Extended Lines
        • Drift Nets (Castle Age)
      • Teak Masts
    • Castle Age
      • Baghlah
      • Explosive Dhow
      • Navigator Lookout
      • Armored Hull
    • Imperial Age
      • Xebec
      • Chaser Cannons
      • Explosives
  • Farm
  • House
  • House of Wisdom (Landmark)
    • Dark Age
      • Culture Wing
        • Feudal Age
          • Preservation of Knowledge
        • Castle Age
          • Medical Centers
        • Imperial Age
          • Faith
      • Economic Wing
        • Feudal Age
          • Fresh Foodstuffs
        • Castle Age
          • Agriculture
        • Imperial Age
          • Improved Processing
      • Military Wing
        • Feudal Age
          • Camel Support
        • Castle Age
          • Camel Rider Shields
        • Imperial Age
          • Boot Camp
      • Trade Wing
        • Feudal Age
          • Spice Roads
        • Castle Age
          • Armored Caravans
          • Camel Handling
        • Imperial Age
          • Grand Bazaar
          • Camel Barding
    • Feudal Age
      • Phalanx
    • Imperial Age
      • Composite Bows
  • Lumber Camp
    • Dark Age
      • Forestry
    • Feudal Age
      • Double Broadax
        • Lumber Preservation (Castle Age)
          • Crosscut Saw (Imperial Age)
  • Mill
    • Dark Age
      • Survival Techniques
      • Wheelbarrow
    • Feudal Age
      • Professional Scouts
      • Horticulture
        • Fertilization (Castle Age)
          • Precision Cross-Breeding (Imperial Age)
  • Mining Camp
    • Feudal Age
      • Specialized Pick
        • Acid Distillation (Castle Age)
          • Cupellation (Imperial Age)
  • Outpost
    • Feudal Age
      • Arrowslits
      • Fortify Outpost
    • Castle Age
      • Springald Emplacement
    • Imperial Age
      • Cannon Emplacement
  • Palisade Gate
  • Palisade Wall
  • Town Center
    • Dark Age
      • Scout
      • Villager
    • Feudal Age
      • Textiles

Related: All Abbasid Dynasty Civilization Masteries in Age of Empires IV

Feudal Age

The following buildings and units become available in the Feudal Age.

  • Archery Range
    • Feudal Age
      • Archer
        • Veteran Archer (Castle Age)
          • Elite Archer (Imperial Age)
      • Camel Archer
        • Veteran Camel Archer (Castle Age)
          • Elite Camel Archer (Imperial Age)
    • Castle Age
      • Crossbowman
        • Elite Crossbowman (Imperial Age)
    • Imperial Age
      • Handcannoneer
  • Battering Ram
  • Blacksmith
    • Feudal Age
      • Bloomery
        • Decarbonization (Castle Age)
          • Damascus Steel (Imperial Age)
      • Steeled Arrow
        • Balanced Projectiles (Castle Age)
          • Platecutter Point (Imperial Age)
      • Fitted Leatherwork
        • Insulated Helm (Castle Age)
          • Mastered Smiths (Imperial Age)
      • Iron Undermesh
        • Wedge Rivets (Castle Age)
          • Angled Surfaces (Imperial Age)
    • Castle Age
      • Military Academy
  • High Trade House
    • Survival Techniques
    • Wheelbarrow
    • Professional Scouts
    • Horticulture
      • Fertilization (Castle Age)
        • Precision Cross-Breeding (Imperial Age)
  • Market
    • Feudal Age
      • Trader
  • Siege Tower
  • Stable
    • Feudal Age
      • Scout
      • Horseman
        • Veteran Horseman (Castle Age)
          • Elite Horseman (Imperial Age)
    • Castle Age
      • Lancer
        • Elite Lancer (Imperial Age)
      • Camel Rider
        • Elite Camel Rider (Imperial Age)
  • Stone Wall
  • Stone Wall Gate
  • Stone Wall Tower

Castle Age

The following buildings and units become available in the Castle Age.

  • Keep
    • Castle Age
      • Springald Emplacement
      • Boiling Oil
    • Imperial Age
      • Cannon Emplacement
  • Mosque
    • Castle Age
      • Imam
      • Herbal Medicine
    • Imperial Age
      • Piety
      • Tithe Barns
  • Siege Workshop
    • Castle Age
      • Springald
      • Mangonel
      • Counterweight Trebuchet
      • Greased Axles
    • Imperial Age
      • Bombard
      • Culverin
      • Roller Shutter Triggers
      • Adjustable Crossbars
      • Siege Works

Imperial Age

The following buildings and units become available in the Imperial Age.

  • Madrasa
    • Imperial Age
      • Chemistry
      • Geometry
      • Biology
      • Incendiary Arrows
      • Court Architects
      • Elite Army Tactics
  • Prayer Hall of Uqba (Landmark)

That's the entire tech tree for the Abbasid Dynasty Civilization!

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Nicholas Fries
Freelance writer and jack-of-all-hobbyist-tech-development-trades (website, game, and program). My passion is to create content that entertains and makes people think critically.