Quack Prep Deltarune May 2026

For the uninitiated, Deltarune —the sister game to Undertale —is known for its strange humor, secret bosses, and a battle system that punishes mindless violence. But isn't an official chapter. It isn't a mod (yet). It is a fan-made concept, a challenge run, and a meme that has taken over the Deltarune subreddit and TikTok theory circles.

The quack is coming. Prepare accordingly. quack prep deltarune

Have you tried the Quack Prep method? Did you trigger the secret duck dialogue? Let us know in the comments below—just don’t mention it in front of Ralsei. He gets very confused. For the uninitiated, Deltarune —the sister game to

During a standard playthrough, the final boss’s "T-Pose" attack is static. But during a Quack Prep run, players have clipped the boss's sprite sliding slightly to the left, as if on ice. It is a fan-made concept, a challenge run,