UnderTale:Neutral Run Sans Fight Remake by ADISPLAY - Game Jolt

UNDERTALE: ULTRA SANS FIGHT (UNOFFICIAL) by TheKiddo - Game Jolt

DUSTTRUST Sans Fight by FDY - Game Jolt

Undertale: Battles (Android & PC) by -xile- - Game Jolt

Underfresh

Messcratch2020's Sans Fight REMAKE by messcratch2020 - Game Jolt

Patrick The Star on Game Jolt: SD!Underswap Sans Boss Fight has been released! You can download it

Dustswap:Sans Fight by Shura89 - Game Jolt

3D SANS FIGHT! Yet Another Bad Time Simulator Gameplay (Sans & Gaster Beaten)

UNDERTALE Hard Mode: Sans Battle (fanmade genocide battle) by Vecc - Game Jolt

Eagle's Undertale Custom Battles EP1: Sans Fight by EaglePhntm (aka TheRealPhantomEagle) - Game Jolt