1 to 5 Online is a game with simple rules that anyone can enjoy. You can play online anytime with your friends or people from all over the world.

●Basic Rule
Take turns placing each Number Piece, and the first one to have no available spaces loses.

●Tips
- The shapes of the pieces for the first and second player are slightly different.
- Place your pieces in a way that makes it easy for you to place the rest of your pieces and at the same time makes it difficult for your opponent to place them.

●How to play
- Drag the Number Piece to move.
- Tap to rotate 90 degrees.
- Press the OK button to apply your move.

●Notes
- The time limit for each turn is 30 seconds.
- If all pieces of both players are placed, the game is a draw.
- If you quit the app during a match, you lose.
- If you go offline for a certain seconds during a match, you lose.
- Rating and records don't change in Friend Match Mode.