Daily Games Don't Reset at Midnight: The Time zone Bug That Broke My Streaks

When I launched my daily word game, three players emailed me on the same morning — from three different countries — each insisting they were playing a different "today's game." They were all right. And that was the bug. I run a small family of browser word games — Dive Krillion (the daily one), Krillion Infinite (endless), and Noillirk (the backwards edition). Same prompt-and-rarity engine, three…