If you're watching the trailer yourself, you'll spot the room about 38 seconds into the video. No need to fret if you're an Undertale and Deltarune stan without a Switch 2, though – Fox says "if ...

Games RPGs Deltarune Undertale follow-up Deltarune will feature a "special room" that uses controls "only possible on the Nintendo Switch 2" News By Anna Koselke published April 10, 2025 ...