Here’s a helpful feature guide for the Capitalism Lab DLC (assuming you’re referring to the official Capitalism Lab game, which has several DLC packs like Digital Age , Subsidiary , City Economic Simulation , etc.). I’ll focus on the across major DLCs, especially for new and intermediate players.
If you find the base game's cities too static, the adds a "SimCity-like" layer of governance and urban development. It bridges the gap between private enterprise and public policy. Capitalism Lab Subsidiary DLC Overview capitalism lab dlc