You could have several buildings to supply resources, improve technologies, and train combat forces. 

[Headquarter, short for HQ]

　　1. Having a HQ is the prerequisite of having other buildings. 

　　2. HQ increases all resource base production rate and storage capacity. 

　　3. Make sure you upgrade HQ before upgrade other buildings. 

　　4. For every 2 levels increased, a resource spot will be discovered and a Metal Foundry will be activated. 

　　5. Lv.10 HQ allows you to join Alliances. 

　　6. For every level increased, population increases by 10. 

[Research Lab]

　　1. You are able to research resource technology and combat technology. 

　　2. Technology level will not go beyond reputation level. 

　　3. For every level increased, researching speed improves by 10%. 

　　4. For every level increased, population increases by 8. 

[Training Camp]

　　1. Trains troop. 

　　2. For every level increased, training speed improves by 5%. 

　　3. For every level increased, population increases by 8. 

[Modification Camp]

　　1. Upgrade low-end troops into high-end troops. 

　　2. For every level increased, training speed improves by 5%.

　　3. For every level increased, population increases by 8. 

[Metal Foundry]

　　1.Produce metal. For every level increased, base production rate and storage capacity increases. 

　　2. For every level increased, population increases by 6. 

[Gold Smelter]

　　1. Produce gold. For every level increased, base production rate and storage capacity increases. 

　　2. For every level increased, population increases by 6. 

[Lumber Sawmill]

　　1. Produce Lumber. For every level increased, base production rate and storage capacity increases. 

　　2. For every level increased, population increases by 6. 

[Fuel Station]

　　1. Produce Fuel. For every level increased, base production rate and storage capacity increases. 

　　2. For every level increased, population increases by 6. 

[Food Plant]

　　1. Produce Food. For every level increased, base production rate and storage capacity increases. 

　　2. For every level increased, population increases by 6. 

[Storage]

　　1. Resouces in Storage are safe and avoid being taken away by other players. 

　　2. For every level increased, population increases by 3. 

[Equipment Bureau]

　　1. Holds all your equipment and supplies. 

　　2. You can enter here and upgrade equipment and supplies to increase your Might. 

[Alliance]

　　1. Join Alliance to find friends and kill zombies together. 

　　2. Alliance technology offers players a large amount of Might. 

　　3. Participate in Arena to obtain rewards. 

　　4. You could redeem necessary items from Alliance Shop. 

[Meeting Hall]

　　30 days after a new server opens, the system automatically unlocks the Meeting Hall and “World Survival” mode will be unlocked as well.