Question 1

How do I play Light Up?

Accepted Answer

Place light bulbs to illuminate every white cell. Numbered walls tell you how many adjacent bulbs. No two bulbs may see each other.

Question 2

Is Light Up free to play?

Accepted Answer

Yes! Light Up is completely free to play online with no sign-in required.

Question 3

What difficulty levels are available for Light Up?

Accepted Answer

Light Up supports easy, medium, hard difficulty levels.