duelotak.com — Brain Battle Arena

AI-generated brain teasers, logic puzzles, and IQ challenges. "Duel Otak" = "Brain Duel."

Concept

Competitive puzzle platform where users solve AI-generated logic puzzles, riddles, math challenges, and lateral thinking problems. Leaderboard-driven engagement. Think "Wordle meets competitive puzzle solving" for the Indonesian market.

Revenue: Display ads ($8-12 RPM, education/gaming overlap niche). Target $800-$2,000/mo by month 12.

Strategy

• Daily puzzle (like Wordle — one puzzle, everyone solves the same one)
• Infinite practice mode with AI-generated puzzles
• Difficulty levels: Mudah, Sedang, Sulit, Genius
• Leaderboard (no login required — use localStorage or simple nickname)
• "Challenge a friend" shareable puzzle links
• Categories: logic, math, words, visual, lateral thinking

Tech: Express.js + client-side puzzle engine. SQLite for leaderboards. Ollama generates unlimited puzzles.

Automation: Cron generates 50 new puzzles daily across all categories. Daily puzzle auto-publishes at midnight WIB. N8N posts daily puzzle teaser to social media.

First 5 Pages

1. / — Today's puzzle + category grid
2. /puzzle/hari-ini — Daily puzzle (everyone gets the same)
3. /latihan/logika — Logic puzzle practice
4. /latihan/matematika — Math challenge practice
5. /papan-skor — Leaderboard