RuthNel Prompt PlaygroundMy Academy →
Safe simulated practice

Build it. Check it. Improve it.

Choose a challenge, write Round 1, use RuthNel feedback, then improve it. Nothing here is sent to an external AI service.

Never enter a real full name, school, address, phone number, password, Family Code, PIN or other private information.
Privacy check before you prompt

Which details should never be pasted into a prompt? Tick the unsafe examples.





1. Choose a mission

2. Build Round 1

3. Improve it

Improvement goal

Complete Round 1 first.