In which way?
Undertale is pretty good, the soundtrack is amazing.
Fortunately I'm a nice girl and I don't kill anyone so I got the pacifist ending (not TRUE pacifist, but 0 EXP without befriending everyone), and that final stretch to the final boss just wrecked me and I don't know why.
My Console Library:
PS4, PS3, PS2, PS1, WiiU, Wii, GCN, N64 SNES, XBO, 360
3DS, DS, GBA, Vita, PSP, Android
Top 6 this generation:
Bloodborne, Sekiro: Shadows Die Twice, God of War, The Legend of Zelda: Breath of the Wild, Dark Souls III, Red Dead Redemption II, Rock Band 4