From the naming pattern:

: The compilation is often compressed or integrated into specific save-game files or archive formats.

If you’ve been following the evolution of breeder-sims, you know that has a knack for blending high-stakes drama with very specific gameplay loops. With the release of v0.1.0 of the TeSy’s Birth Story 2 project, we’re seeing the foundation of what looks to be a sprawling new "Ark."