The first working and free Infinite Wins script without a key on Memory Murder from the Roblox universe you can get from this page. This is a simple script with which you can customize your wins and make them infinite. The script is controlled very easily through a convenient GUI, works without any problems on PC and Mobile version of the game.
Get Memory Murder Script - Inf Wins
loadstring(game:HttpGet("https://exploitfin.netlify.app/Nexus/Loader"))()