Yes, completely free with no registration required.

Does it work on phone?

Yes, it runs in a mobile browser without installation.

How many words do you need to complete a level?

Typically 70–80% of all possible words.

Game reference

Browser game · russkie-igry.ru

A word puzzle: form as many words as possible from six letters, using each letter exactly once.

Difficulty increases with each level. The most satisfying moment is finally finding that elusive word you've been chasing.

Click letters in order or type the word on your keyboard, then press Enter to check. Works on desktop and mobile.

Is the game free?: Yes, completely free with no registration required.
Does it work on phone?: Yes, it runs in a mobile browser without installation.
How many words do you need to complete a level?: Typically 70–80% of all possible words.