Favorites
Multiplayer
Other Available Puzzles
Players
Tasks
Solitaire
Mahjong
Sudoku
Colors Battle
Minesweeper
Reversi
Backgammon
Sign in
Puzzles
Ota
Ota Puzzles
Collected
Started
Ota Puzzles
All Levels, 41
Impossible, 0
Very hard, 0
Hard, 6
Medium, 28
Easy, 3
For babies, 4
Graphical representation of formulas
4.4
1366
Alien planets
4.7
24K
Hallstatt
4.8
37K
Lake Aubert
4.6
189K
This site uses
cookies
. By continuing to use this website, you agree to our policies regarding the use of cookies.