The 2025 International Obfuscated C Coding Challenge (IOCCC) winners have been announced. Entries must conform to the C11 standard, stay within strict size limits (4,993 bytes source, 2,503 bytes binary), and include a GNU-style Makefile. Notable winners include Yusuke Endoh's ASCII Lichtenberg figure generator ('Most likely to shock') and Nick Craig-Wood's functional Game Boy emulator ('Best real emulator'), which can run real GB ROMs despite lacking sound and advanced graphics.
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