Because the official version is a long-term project, other developers have created complete "unofficial" recreations:
This mod replicates the original animation almost exactly and is available for download on Game Jolt . disbelief papyrus full game download
The Disbelief Papyrus project (officially titled ) is split between the primary development team and various unofficial recreations. Here are the most reliable places to find the game: Because the official version is a long-term project,
Disbelief is an for Undertale that asks: "What if Sans fought the human in Snowdin instead of Papyrus?". Undertale: Disbelief Papyrus by Raylynx Esper - Game Jolt Undertale: Disbelief Papyrus by Raylynx Esper - Game
Managed by FlamesAtGames , the official Undertale: Disbelief page on Game Jolt is the primary source for the latest official builds. While a full version has no set release date, they frequently release playable demos.
Finding a can be tricky because the "official" version is still in active development, while several high-quality fan versions are currently playable. Where to Download Disbelief Papyrus
One of the most famous early builds, often found hosted on various fan sites and Game Jolt.