Most games in the Mu Soft collection were under 2 MB each. They were designed to run on modest hardware (Pentium II, 32MB RAM, Windows 95). This made them staples in internet cafes, school computer labs, and office cubicles where IT administrators frowned upon installing Quake or StarCraft.
Most MuSoft packs support Xbox or PlayStation controllers out of the box. If your controller isn't working: Mu Soft Game Pack
The "Mu Soft" setup is typically a curated collection of emulators and ROMs designed to run through a user-friendly interface. It turns your computer into an arcade machine, allowing you to play games from systems like NES, SNES, Sega Genesis, Game Boy, and arcade boards (MAME) without dealing with command lines. Most games in the Mu Soft collection were under 2 MB each