Board Thread:General Discussion/@comment-27524978-20160210030742/@comment-4383275-20160716060729

Invader Jib wrote: That still debunks it. You wouldn't make a big hidden conspiracy secret for something you hate-he would've had more of a "o you found it" response if the theory was correct.

No, because Toby Fox officially connecting Undertale to Earthbound would incur a lawsuit from Nintendo.