If you’re running the recent version of OpenOffice and feel like taking a break and playing then you’re in luck. There’s an Easter Egg that let’s you play a simple game of TicTacToe against the application.
1. Run OpenOffice and start the Spreadsheet application.
2. In the first cell of the open spreadsheet (A1), input the following:
3. Press Return on your keyboard.
Instructions will appear, telling you the application’s move and asking for you to input yours. Game is played in cells B1 thru C3.