Thread:TheHumanAmbassador/@comment-26907577-20191217153508/@comment-32182236-20191226200758

So Deltarune likely has something to do with Entry 17.

Which is why one of my working hypotheses is that Deltarune IS Gaster's Entry 17 experiment. An attempt at creating a world where the war never happened (or the monsters won!), and just bringing everyone over to THAT world. (He may or may not have planned to then send everyone back to the original world once they've crossed the place the Barrier would have been, thus causing them to return outside of the Barrier.)