Underchoice Sans Battle Phase 1 Undertale Fangame by EeveeLing - Game Jolt

Ink Sans Fight 0.37 - Colaboratory

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

Underfresh

Underswap Sans Battle By TraXsus by TraXsus - Game Jolt

Undertale Sans Battle Save File - Colaboratory

Game Jolt - Share your creations

Create Your Frisk- Sans Hard Mode by TheOneAndOnlyBiscuits - Game Jolt

Fanmade Sans Battle in a nutshell [OFFICIAL GAME] by CuDsan (Old account) - Game Jolt

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

Just another Sans fight by Panthervention by Panthervention - Game Jolt