In the early days of M.U.G.E.N, this wasn't an issue. However, as creators began developing high-definition (HD) stages, complex characters with thousands of animation frames, and high-quality CD audio, the engine began to struggle. When M.U.G.E.N exceeds that 2GB limit, it typically suffers from "Out of Memory" errors or immediate desktop crashes. How the Patch Works
Modern M.U.G.E.N builds often feature hundreds, sometimes thousands, of characters. Each character and stage must be loaded into memory during a match. Without the patch: 4gb patch mugen