Fill-in, free to play
A crossword with no clues. You are given the words, and you fit them into the grid so the crossing letters match.
Full rules and tips: how to play Fill-in
- No clues needed
- Three levels
- A daily puzzle
- Saves as you go
How to play
Choose a place
Tap a square to choose a place for a word. It is highlighted and tells you how many letters it needs. Tap again to switch between across and down.
Tap a word from the list
The list under the grid has every word you must use. A word fits only if it has the right number of letters and matches any letters that cross it.
Use every word once
Each word is used exactly once, and words already in the grid are shaded in the list. Change your mind? Choose the place and press Clear this word.
Ways to play
Good to know
Quick answers about playing Fill-in on Wittlo.
Is Fill-in free?
Yes. It is free to play, with no sign-up and nothing to install.
What is a fill-in puzzle?
It is sometimes called a kriss-kross. It is a crossword with no clues: the words are listed, and your job is to fit them into the grid.
Is there only one answer?
Yes. Each puzzle has just one right solution.
What do the buttons do?
Clear this word empties the chosen place, Check marks wrong words, Hint helps with one word, and Start again goes back to the beginning of the same puzzle.
Will my game be saved?
Yes. A puzzle in progress is saved on this device, so you can carry on later. Nothing is sent anywhere.
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