Source System: Starter Frozen Tundra unboxed on The Gamer Side

About SOURCE System, from BoardGameGeek:

Build interactive worlds for limitless tabletop gaming with SOURCE. SOURCE is a modular tabletop gaming system and open-source platform created by Adventure Together Games. It allows players to build and customize tabletop maps and environments for various games, including RPGs like Dungeons & Dragons and Warhammer 40K, as well as their own custom adventures. The platform is designed to be scalable, durable, and immersive, with a focus on affordability and community-driven content creation. Modular System: SOURCE uses a system of hexes and tiles that can be combined to create diverse and dynamic map layouts. Open Source: The platform is open source, meaning anyone can design and publish their own games, rulesets, and assets for use on SOURCE. Scalable and Immersive: SOURCE enables the creation of large, detailed game environments that can be easily set up and torn down. Community Driven: SOURCE is designed to foster a community where players and creators can share their content and collaborate on new experiences.