Is This Undertale

Overview
Is This Undertale is an English Undertale/Yume Nikki fangame created by Reptiny for Dream Diary Jam 3. It was developed in GameMaker: Studio.

Gameplay
Is This Undertale is a traditional fangame. Instead of effects, the player must explore and collect the six hearts hidden in the various worlds to unlock the ending.

Controls

 * Move - Arrow Keys
 * Interact - Enter

Plot
You play as Frisk from the original Undertale as they explore the world around them.