Board Thread:General Discussion v2.0/@comment-27234286-20151118175310/@comment-26343489-20160320031426

Since Undertale is sort of a choose-your-own-adventure, a sequel might be confusing. People sometimes tend to play some of the first game, get bored, and play the sequel

Plus, a sequel or prequel could debunk everybodys headcanons and speculations xD