User builds auction game app in 8 hours using Grok via phone
iannuttall · x · 2026-08-22
A user shared a case study of building a functional web game app called 'undercut.lol' using Grok Bot in just 8 hours via mobile phone. The app is a 72-hour reverse auction game where prices drop from $1,000 to $5 hourly, requiring players to lock in bids blindly. The author improved the bot's communication effectiveness by refining prompts and rules during the development process.
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