There may be maps or scenarios with varied starting settings or objectives.
Game Mechanics
From Frostpunk 2 Wiki and Guides
Frostpunk 2 features a variety of Game Mechanics that define the gameplay.
Game difficulty affects many aspects of gameplay.
The factions will interact with the 
laws, and people belonging to the factions will react to the legal situation. Depending on the faction views they may see the situation favorably or become angry and apply pressure to the Steward to make changes. The definition of who each faction includes may be work or ideology related.
The player's city is inhabited by various workers of many types, and their children. People will immigrate to the city in search of safety and work.
Initially, you can only build Districts in a limited area. The wider terrain is covered in frozen-stiff ground, which is impossible to construct upon. To widen the buildable area , you'll neeed to use Frostbreakers.
The Council decides upon laws that constitute the city's customs and culture, and are a form of progression in the game that can drastically modify resource use or capabilities, deciding how the scenario will play out.
A progression system to unlock more technology such as buildings or other features.
Used to complete actions, help citizens, or build districts.
Failing to address shortages can create growing problems that deteriorate the city's ability to function.
A system that ties together every law and technology into the Faction system.
Workforce is the proportion of population that can work. But it may get reduced if people may get sick or injured.
These may be story related or pose challenges to the player.
After constructing 
Logistics District player will be able to access Frostland. By exploring and exploiting the world outside the City, player can provide people with nearly everything they need.