Undertale AU tier list by PK2018 on DeviantArt

Create a Sans AU Tier List - TierMaker

Undertale AUs Tier List (Community Rankings) - TierMaker

completely unbiased undertale tier list : r/Undertale

Undertale tier list by snivy0711 on DeviantArt

Create a Undertale AU´s Tier List - TierMaker

Create a Sans AUs Ships Tier List - TierMaker

More AU Sprites Source

Sans Aus Redux Tier List Maker by PK2018 on DeviantArt

Jester Sans AU tier list by Sami32e on DeviantArt

Former Undertale fan ranks Sans AU's. Ask anything. (Also, just to clarify, I am NOT an AU fan. I used to be, being the reason I know some. (Also also, I did