The number of buildings in Time Big Bang is very large, and these buildings can be upgraded at any time. After upgrading, they can enhance the combat capabilities of troops and also accelerate the production of basic materials in the game, especially when advancing to an advanced society later on, where production efficiency significantly increases. Naturally, how to upgrade buildings in Time Big Bang has become a focus for players, so here the editor will provide some methods for building upgrades.

Firstly, there are basic houses. Houses, or homes, determine how many people can be accommodated. In the early stages, the population is relatively small, so fewer houses can be built. However, as technology develops, the population will increase significantly, and production efficiency will greatly improve. At this point, it's necessary to perform a secondary upgrade on houses, which allows more people to be accommodated without needing to build additional houses.

Additionally, upgrading houses not only provides more population capacity but also improves their overall appearance. They come with some extra attributes that allow residents to rest comfortably inside. Most upgrade materials for houses are basic materials available at the time, which can be obtained through daily population growth, making it easy to gather large amounts of materials. It is recommended that players increase production.

Next, there is the military base, which is one of the main gameplay elements. Players need to train many soldiers, whose combat capabilities can be improved with military upgrades. Soldiers can evolve from basic primitive units to powerful tech units. Therefore, upgrading this type of building is very important. Besides consuming a lot of materials, such upgrades also add some additional requirements, such as reaching a certain number of specific troop types, and advancing the tech tree for those troops.
Finally, there are basic production buildings, which generally produce wood and stone. Later on, other material workshops will be unlocked. These also need to be prioritized for upgrades because many items in the later stages require these materials. If production falls behind, subsequent development will be significantly hindered. Therefore, these buildings should be upgraded first, even before military strength.

Currently, this is all the information provided by the editor on how to upgrade buildings in Time Big Bang. Upgrading buildings significantly enhances both troop combat capabilities and daily consumption, serving as an important tool to improve the player's gaming experience.