| Deutsch | deu-000 |
| International Obfuscated C Code Contest | |
| English | eng-000 | International Obfuscated C Code Contest |
| français | fra-000 | International Obfuscated C Code Contest |
| 日本語 | jpn-000 | IOCCC |
| polski | pol-000 | IOCCC |
| русский | rus-000 | International Obfuscated C Code Contest |
| srpski | srp-001 | IOCCC |