September 15, 2015 Share definition Flag the day Undertale came out 'tis the best game ever (pls play it) "Undertale is a really good RPG and was made by Toby Fox on September 15, 2015." September 15, 2015 by KinkyPunkBabe February 11, 2022 0 0 Get merch Get the September 15, 2015 mug. Buy Now — $32.95 See more merch
