sworks692/clonemc-v2.0-entirely-in-c-and-open-gl-1.1

CloneMC is a fan recreation of an old version of Minecraft, specifically Beta 1.7.3, written entirely in the C programming language and using the older OpenGL 1.1 graphics standard so it can run on very old computers and hardware. The author describes it as a side project built to reproduce the gameplay, world behavior, visuals, menus, entities, and redstone systems of that version, including proper singleplayer and multiplayer support, and the ability to load, render, and save worlds created in the original Java version of the game. The README is explicit that this project will never support official modern Minecraft servers or accounts, stating this is to avoid copyright issues. To run it, you download the source code, extract it, and run the included executable alongside an assets folder. The author recommends renaming the executable to something shorter and setting performance to Max FPS before loading a world, since it may otherwise fail on some systems. The project includes detailed technical documentation covering the engine architecture, chunk lifecycle, world saving format, entity and redstone systems, and instructions for adding new blocks, items, and screens. Two newer experimental versions are mentioned, one adding creative and spectator modes with some rough edges, and a later beta that improves performance and adds support for very old Windows 98 and 95 systems. Building the project from source requires the Open Watcom V2.0 compiler and following a specific sequence of setup and build commands described in the README. The author calls this mainly a side project with development that may not continue much further, and notes the original Java version of Beta 1.7.3 may already run fine on old systems.