Codex spends 26 days rebuilding Red Alert 2 in 624K lines of C++ for iOS and macOS
daniel_mac8 · x · 2026-09-03
A developer shares what they call the hardest Codex task ever: getting Red Alert 2: Yuri's Revenge to compile and run natively on iOS and macOS. Since the game's source code was never released and believed lost, Codex (GPT-5.6 Sol) worked for 26 days, analyzed the original EXE, and rebuilt the entire game in 624,000 lines of C++.
Related event: Codex Rewrites Red Alert 2 in 620,000 Lines of C++ for iOS and macOS(2 posts)→
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