Unlike the base version of Eaglercraft, Tuff Client was marketed as a "competitive" or "PVP" client. Its main draw was its ability to squeeze better performance out of low-end hardware.
Searching for curated Eaglercraft Client Archives often reveals legacy versions like Tuff Client. tuff client eaglercraft link 2021
Chromebook players looking for higher FPS and built-in "hacks" or mods like ToggleSprint and Fullbright. Key Features of the 2021 Tuff Client Unlike the base version of Eaglercraft, Tuff Client
Removes darkness from caves and nighttime, giving players a visual advantage. Unlike the base version of Eaglercraft