The safest and most stable way to play is through the official releases: Official Website : Available for free at deltarune.com Steam/Itch.io : Also free to download on these major PC platforms [2]. : Free on the Nintendo eShop and PlayStation Store.
For those who might not know, Deltarune is a role-playing game developed by Toby Fox, the creator of Undertale. The game was initially released as a two-chapter episodic game, with Chapter 1 and Chapter 2 being released in 2018 and 2021, respectively. deltarune unblocked chapter 1 exclusive
They kept walking.
Even though Chapter 2 is also available, Chapter 1 serves as the perfect, self-contained introduction. It’s short (roughly 2-3 hours), contains no spoilers for the later chapter if you play them in order, and is entirely free. The "unblocked" version ensures that network administrators can't deny you this experience. The safest and most stable way to play