Quiz of Koko

AI-powered word quiz game — real-time 1v1 duels, adaptive AI challenges and weekly leagues from Bronze to Champion. Questions calibrate to your age and knowledge gaps, and missed words return on a spaced-repetition curve. Playable today at quizofkoko.com.
quizofkoko.com — Opens in a new tab
Project roadmap
- 100%
Phase 1 — First playable version
Complete — live and playable today
- Ready
Market entry
Cleared — initial tests passed, rollout in progress
- Started
Phase 2 — Next development cycle
Kicked off — in progress
Game highlights
- Adaptive AI learning
Questions calibrate to your age and knowledge gaps — never too easy, never frustrating.
- Real-time 1v1 duels
Challenge friends and players worldwide in fast-paced vocabulary showdowns.
- Weekly tournaments
Climb the league from Bronze to Champion and unlock exclusive rewards.
- Spaced repetition
Missed words resurface at optimal forgetting-curve intervals until they stick.
- Continuous diagnosis
Answer accuracy is tracked across semantic word clusters to map your true mastery.
Tech behind it
- Next.js + React
- Real-time multiplayer engine
- AI adaptive question engine
- Spaced-repetition scheduler
- Hosted on Vercel