Undertale' Creator Releases New Mystery Game 'Deltarune

It's playable on PC or Mac and it's completely free.

H E A V E N (DDLC x Deltarune Ch. 2) (Halloween) by Cobalt-Gemini

SMG4: If Mario was in Deltarune, The SMG4/GLITCH Wiki

Indie game - Wikipedia

DELTARUNE and the Fourth Wall

Who would win in a fight? : r/Undertale, omega flowey battle

Undertale creator Toby Fox talks Deltarune development, music

Deltarune Is Another Bewitching Mystery from creator of Undertale

Ralsei Deltarune Nendoroid release date, photos, pre-orders

No more Deltarune this year, but here's a look at what's coming

Who would win in a fight? : r/Undertale, omega flowey battle