Almost every party member is hiding something from the player. Many of these theories can plausibly overlap with one another. The endgame will likely feature W D Gaster, somehow. Toby Fox's twin games ...

Undertale inspires strange behaviour in its players, from the half-imagined theories surrounding the unknowable W. D. Gaster through to rebuilding the old-school, pixel art game in 3D. Oh yes, that's ...