Research Projects

An overview of all research projects available in the City Defense Research Tree in Clash of Queens including resource requirements, prerequisite research projects and buildings, time, hero xp, power, boost, and unlocked troops, traps and special skills.

Wall Reinforcement

Max Lv. 10 City Defense +900

Loophole

Max Lv. 5 Defender Attack 5.0%

Battlements

Max Lv. 5 Defender Defense 5.0%

Trap Power

Max Lv. 5 Trap Attack 5.0%

Kerosene

Max Lv. 5 Fire Arrow Damage to Cavalry 5.0%

City Defense

Max Lv. 10 Trap Capacity +3,000

Rubble

Max Lv. 5 Rockfall Damage to Infantry 5.0%

Massive Logs

Max Lv. 5 Rolling Log Damage to Archers 5.0%

Crane

Max Lv. 10 Trap Building Speed 20.0%

First Aid

Max Lv. 10 Lost Soldiers Become Wounded 10.0%

Wall Reinforcement II

Max Lv. 15 City Defense +2,100

Loophole II

Max Lv. 10 Defender Attack 10.0%

Battlements II

Max Lv. 10 Defender Defense 10.0%

City Defense II

Max Lv. 20 Trap Capacity +9,000

Rubble II

Max Lv. 10 Rockfall Damage to Infantry 10.0%

Kerosene II

Max Lv. 10 Fire Arrow Damage to Cavalry 10.0%

Massive Logs II

Max Lv. 10 Rolling Log Damage to Archers 10.0%

Crane II

Max Lv. 20 Trap Building Speed 40.0%

Currently we do not have complete information on this research category yet, if you have missing information, please let us know via the User Comments or send us an e-mail to the address in the footer of this page.

Total Cost

Note that below information is based on partial data.

Resources Original Time Hero XP Power kPower/
Day
122.04M Wood
33.09M Food
14.00M Iron
2.26M Crystal
22d 16:11:27 12,729

Note: We do not yet have complete information for all research categories. Any missing information (resource requirements, original time, dependencies, power and XP) is much appreciated. You can register and add the information yourself, or leave a comment or send an e-mail.

Total Benefits

Note: We do not yet have complete information for all research categories. Any missing information (resource requirements, original time, dependencies, power and XP) is much appreciated. You can register and add the information yourself, or leave a comment or send an e-mail.

User Comments