Fun fact. This is not a new concept. Doom used overrides with their WAD file format. Mod authors could release their mod files replacing or adding content witho

Fun fact. This is not a new concept. Doom used overrides with their WAD file format. Mod authors could release their mod files replacing or adding content without stealing the game level files. There may be prior art to that, but as a young coder that was the first time I’d seen it