Rainbow Sudoku

About

Beautiful Sudoku with 13 levels and a daily challenge—clean, fast, and keyboard-friendly. No account required.

## What it is

Rainbow Sudoku is a clean, fast Sudoku for Chrome. It helps you **learn while you play** with gentle, optional teaching cues and a friction-free interface.

## Why install it

* **Build real skills** with subtle hints that reinforce logic (never spoil answers).
* **Zero friction**: no sign-up, no clutter—just play.
* **Feel-good flow**: crisp grid, smooth controls, satisfying completion.

## Key features

* **13 difficulty levels**: Novice → Maestro (plus 6×6 and 9×9).
* **Daily Challenge** with streak tracking.
* **Teaching cues (optional)** highlight patterns and strategy, not solutions.
* **Local stats**: personal bests and times saved on your device.
* **Keyboard friendly**: arrows to move, numbers to fill, backspace to clear.
* **Respectful experience**: quick loads, clear UI, no dark patterns.

## How it works

1. Pick a level (or Daily).
2. Play with clean controls and optional hints.
3. Finish and track your streaks and personal bests.

## Pricing

* **Free**: generous play with light limits.
* **Pro / Plus** (optional): unlimited play, ad caps, premium themes & sounds.

## Privacy & Permissions

* **No account required**.
* **Progress saved locally** on your device.
* Minimal storage for settings and stats; no cross-site tracking.

## Support

Questions or feedback? https://snazzypromotion.com/support/index.php?a=add&catid=27 .