Tetris has a temporary dependency on GLFW. ## macOS `brew install glfw freetype` ## Ubuntu `sudo apt install libglfw3 libglfw3-dev libfreetype6-dev libssl-dev` ## Arch (and Manjaro) `sudo pacman -S glfw-x11` ## Windows Copy `thirdparty/glfw/glfw3.dll` & `thirdparty/freetype/win64/freetype.dll` to this directory.