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The first rule of game development: always sanitize your inputs . Some poor dev just learned that VARCHAR(255) isn't enough when players can create display names like "ConundrumSupercalifragilisticexpusVortexWhimsicalWhisperXenodochialXyloglyphyYesteryearYggdrasilZanyZephyrZigguratZillionaireZenithZealotZiplineZigzaggingZephyrine" while flying spaceships and making terrible tuna puns. The database admin is probably having a nervous breakdown right now while the QA team is laughing hysterically. And somewhere, a junior dev is frantically writing a regex at 2 AM that they'll eventually copy-paste from Stack Overflow anyway.