UNDERTALEMods / Effects
UNDERTALE mods
UNDERTALE effects mods
Everything filed under effects by its own author, ordered by how much it is used.
12 effects mods · newest update 25 May 2026
12 effects mods
- Undertale, but the musical is always playingby mu1ho483Effectsupdated 5 mo ago
- UNDERTALE but hit = 1.1225% more greenby gabriel the gabberEffectsupdated 6 mo ago
- Undertale but its 10% more piss yellowby MrMcFastezEffectsupdated 6 mo ago
- Undertale but 12.4378932489856% more oloby ElectricFuzzballEffectsupdated 6 mo ago
- undertale but everything is craply tinted purpleby turkey sandwich99Effectsupdated 5 mo ago
- IMAGE_DEPTHS background in Sans fightby KellyMEffectsupdated 8 mo ago
- 1/10000 Chance for Foxy Jumpscareby Luigi (UTMC)Effectsupdated 11 mo ago
- 1 in 50 chance for Toby Radiation Fox every secondby SnewEffectsupdated 13 mo ago
- Original Blue Attack Colourby astrolazybonesEffectsupdated 14 mo ago
- Animated in-game menuby VadimosEffectsupdated 16 mo ago
- UNDERTALE Hardcore Modeby YellowMayoEffectsupdated 3 y ago
- Aeroum's Vampire Weapon Modby LegendGames128Effectsupdated 11 mo ago
12 effects mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.