The fun value is a random number in Undertale, selected on Reset, between 1 and 100. This mechanic determines the occurrence of several rare events in the game; many of these events link to W. D. Gaster, the royal scientist before Alphys. These can range from Cell Phone calls, slight visual differences, or NPCs or locations appearing. This song plays in Snowdin, in the River Person room, if.. Undertale Fun Value Chart - Stack exchange network consists of 183 q&a communities including stack overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
![Let's Play Undertale [PC] Undertale Fun Values & W.D. Gaster](https://i.ytimg.com/vi/FgyZCqJVtPQ/maxresdefault.jpg "Let's Play Undertale [PC] Undertale Fun Values & W.D. Gaster (Blind")
The fun value is a random number in Undertale, selected on Reset, between 1 and 100. This mechanic determines the occurrence of several rare events in the game; many of these events link to W.D. Gaster, the royal scientist before Alphys. These can range from Cell Phone calls, slight visual differences, or NPCs or locations appearing.. Q: What's "fun"? A: Upon start-up of a new file of Undertale, or upon doing a Reset or True Reset, the "fun" value in your Undertale save folder will be a random number from 1-100. This is your natural "fun" value. Certain values will trigger unique "fun" events, such as the occurrence of a unique phone call, the appearance of a unique NPC, or a unique room change.