A quiz that passes by in a flash!
Compete in real time and win first place!
Look at the objects passing through the opportunity and solve the problem.
– It goes by in a flash
It goes by so fast that I don't even know what it is.
– Real-time ranking system
If you just enter a name, the highest score will automatically be ranked.
– Hundreds of problems
You cannot solve all the problems. It's hard.
It will be updated continuously.
If you find bugs, errors, or inquiries, please give us feedback.