Your task is to transform black-and-white images into vibrant works of art by coloring them by numbers. You can play on both computers and touch devices like phones and tablets.

Controls:
1. Select a category from the gallery, then choose a picture to get started.
2. Zoom in or out: Use the slider at the top of the screen, pinch gestures, or your mouse wheel to focus on details.
3. Pick a color: Choose the desired color from the palette at the bottom of the screen.
4. Color by numbers: Find the corresponding areas and bring the picture to life with color.
5. Use boosters: Speed up the coloring process with special tools and achieve the best results.