UTMM

stands for UnderTale Monster Mania. was made by Nikolander and ARandomDoggo_1. in roblox and the original roblox one got deleted but theres still spin offs with different gear enemies and things in general

omg this utmm game is so fun

by ChickenNoThanks August 06, 2022

Utmm

It means Undertale monster mania, a semi-popular undertale roblox rpg game from 2017-2022

“Hey have you seen that new utmm kit game?” “Hey have you seen that utmm re-released?”

by Jacob3799$ June 12, 2022

Utmm Kit

It was a kit or a pack made from the base coding of the semi-popular undertale roblox rpg game, with this kit you can make your own UT rpg game for free easily

“Hey have you seen that new utmm kit game?. Yeah it was called UTMM reverberated”

by Jacob3799$ June 12, 2022