Players caught using these mods are banned for the use of them. Unfortunately Damage indicators and Better sprinting are not permitted as they provide a partial unfair advantage over other players. Is it legal to use durability mods in Minecraft? Mods that allow flight, ‘speed hacks’, and extended reach, eg Nodus Client. Mods that provide enhanced player movement, eg: Smart Movement Mod. Rei’s Minimap and Better Sprinting are now allowed as we can limit certain options. Mods that provide enhancement to the way Minecraft performs (FPS etc), eg: Optifine. What kind of mods are allowed in Minecraft? In the particular case of Minecraft, modding is explicitly allowed, but Microsoft/Mojang has set the boundary in their EULA that mods may not be commercialized: you can give a mod away but you can’t sell it. In general, modding is not illegal per se, but may become illegal by infringing on the rights of the original creator (s) of the software.