The beauty of Undertale —and why the concept of a "pack" survives nearly a decade later—is that Toby Fox built a world that feels like it belongs to everyone. Every soundfont, every fan sprite, and every battle template is a love letter to the original.
If you visit GameJolt or Itch.io and search "Undertale Pack," you will often find complete . These are projects created by experienced developers who have stripped down Undertale ’s mechanics to build a skeleton (pun intended) for new creators.
Both games rely heavily on music and distinct visual styles. The "FNF vs. Sans" or "FNF vs. Chara" mods are legendary in the community.

