Headquarters (HQ)

The Headquarters is the most important building in your base in Last Z Shooter Run. Upgrading it unlocks new features, higher building levels, new hero levels, and more, helping you grow in power. You should always try to push this building further in levels as fast as possible.

Upgrade Prerequisites

Each HQ upgrade has specific building requirements that you need to meet first. The table below lists the required buildings for each HQ level.

Level	Condition 1	Condition 2	Base Days
1	–	–
2	–	–
3	–	–
4	City Wall	–
5	Radar	Assaulter Camp
6	Military Center	–
7	Alliance Center	Training Ground
8	Laboratory	Assaulter Camp
9	Laboratory	Hospital
10	Laboratory	Shooter Camp
11	Laboratory	Rider Camp
12	Laboratory	City Walls
13	Laboratory	Alliance Center
14	Laboratory	Assaulter Camp
15	Laboratory	Shooter Camp
16	Laboratory	Rider Camp
17	Laboratory	City Walls
18	Laboratory	Alliance Center
19	Laboratory	Assaulter Camp
20	Laboratory	Shooter Camp
21	Laboratory	Rider Camp
22	Laboratory	City Walls	12d
23	Laboratory	Alliance Center	18d
24	Laboratory	Assaulter Camp	25d
25	Laboratory	Shooter Camp	35d
26	Laboratory	Rider Camp	49d
27	Laboratory	City Walls	64d
28	Laboratory	Alliance Center	83d
29	Laboratory	Assaulter Camp	107d
30	Laboratory	Shooter Camp	140d
31	Laboratory	Rider Camp
32	Laboratory	City Walls
33	Laboratory	Alliance Center
34	Laboratory	Assaulter Camp
35	Laboratory	Shooter Camp

Important Details

From HQ level 8 onward, the Laboratory is always required for upgrades. The second required building follows a set cycle: City Walls → Alliance Center → Assaulter Camp → Shooter Camp → Rider Camp, repeating in this order.