This page tells you how to get through the True Laboratory section in Undertale which is only accessible on a true Pacifist run after completing New Home. It seems you've escaped and Sans will give ...

Undertale is an indie 2D RPG video game released on PC in September 2015, on PS4 (and PS Vita) in August 2017, on the Nintendo Switch in September 2018, and on Xbox One (and Xbox Series X/S) on March ...