actual reward in Culture researchs is :

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Cultural Master --- IA, (unlock "IA Bypass Doctor Assist" in Development, "Writer of History" in Culture)
[request : Hive Culture IV + Holy Nation Culture IV + Nobles Culture IV + Nomads Culture IV]

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Cannibal Culture I --- storage Hacksaw , storage Foul Meat , storage Meat , Trophy

Cannibal Culture II ---Peeler Machine , Medium Tent

Cannibal Culture III --- Spiked Cage

Cannibal Culture IV --- Butcher table , Raw Meat item, (unlock "Ungrateful Worker" in Development, "Tanner Master" in development)

Cannibal Culture hidden rank --- Cannibal Shack (unlock "Flora Killer" in Development)

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Hive Culture I

Hive Culture II --- Hive Little Hut

Hive Culture III --- storage Ration Pack

Hive Culture IV --- Throne Hive Model

Hive Culture hidden rank --- Ancient Nutri Rations , Storage Ancient Nutri Rations , Ration Pack item , Ancient Nutri Rations item, (unlock "Cooking Hive System" in Development, "Hive Interdiction" in Development)

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Holy Nation Culture I --- Holy Street Torch

Holy Nation Culture II --- Holy Sinner Torch

Holy Nation Culture III --- Small Emperor Statue Chest

Holy Nation Culture IV --- Emperor Statue

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Nobles Culture I --- City Lamp Post (unlock "Gunsmith Principle" in development)

Nobles Culture II --- Luxury Goods Chest , Flat Shelter (unlock "Gunsmith Theory" in development)

Nobles Culture III --- Fancy Rug Basket (unlock "Gunsmith Master" in development)

Nobles Culture IV --- Throne Nobles Model (unlock "IA Armour Crafting Assist" in Development)

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Nomads Culture I --- Flat Shelter

Nomads Culture II --- Scrap Tent

Nomads Culture III --- Animal Feeder II

Nomads Culture IV --- Market Tent Counter Outdoor , Simple Rug Basket (unlock "Dresser Master" in development)

Nomads Culture Hidden Rank --- Backpack Bench , Big Tent (unlock "Backpacks I" in Crafting, "Backpacks II" in Crafting)

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Shek Culture I --- (unlock "Gunsmith Theory" in development)

Shek Culture II --- GunPlank (unlock "Gunsmith Master" in development)

Shek Culture Hidden Rank --- Large Exterior Container (unlock "IA Armour Crafting Assist" in Development)

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Skeleton Culture I --- storage: Old CPU Unit , Grind Machine Chest, (unlock "Power Trap" in Development, "Handyman Grade 1" in _!Grade, "Handyman Grade 2" in _!Grade, "Robotics Base" in development)

Skeleton Culture II --- Grind Repair Bench , Old CPU Unit Bench , Grind Machine Repared Chest, (unlock "Handyman Skeleton" in Development, "Robotics Principle" in development)

Skeleton Culture III --- CPU Unit Repair Bench , storage CPU Unit , CPU Unit item, (unlock "Electric Handyman" in Development, "CPU Unit Bypass Container" in Crafting, "Robotics Theory" in development)

Skeleton Culture IV --- (unlock "Skeleton Friend" in Development, "Skeleton Family" in Crafting, "Robotics Master" in Development)

Skeleton Culture Hidden Rank --- IA Storage System Compagnon (unlock "Robotics Spirit" in Development, "IA Skeleton Family" in development)

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