By A Mystery Man Writer
Undertale AU [Underwest] by SUSHIROLLED on DeviantArt
Undertale AU Wiki
AsylumTale (Blackroses113)
UnderWAR Undertale AU+BreezeWiki
UnderWar Wiki
Momma CQ Undertale AU+BreezeWiki
Kiwitale Undertale AU+BreezeWiki
Soulblend : An Undertale Story AU
Buttontale Undertale AU+BreezeWiki
Revolvius' Realm : Meet the Dreamer Family of UnderWAR! Next
Undergale Undertale AU+BreezeWiki
UnderBunker, Undertale AU Wiki