Sigma Pack: 145 Cultures from around the World for Humankind is a free utility pack designed for the game Humankind, enhancing gameplay by introducing a diverse array of cultures from various regions and eras. This extensive pack combines previously released culture packs into a single, streamlined package, making it easier for players to access and enjoy a wide variety of cultural experiences. It includes cultures from Australia, Europe, the Middle East, Africa, East Asia, Southeast Asia, Polynesia, and the Americas, sorted by era and culture group for user convenience.

The latest update, titled Rise of the Woodlands, adds new cultures from North America and the Amazon, enriching the gameplay further. Players can expect to find cultures such as the Huron, Tupi, and various Aboriginal groups among others. The pack is fully compatible with existing culture packs, ensuring seamless integration into the game. With its detailed organization and extensive cultural representation, Sigma Pack significantly broadens the horizons of the Humankind gaming experience.