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 version of Space Invaders, titled StarWars Galaxy.

1. Run OpenOffice and start the Spreadsheet application.

2. In a blank cell, input the following:
=GAME("StarWars")

3. Press Return on your keyboard.

4. A splash screen for the game will appear:

5. Select your “Hero” and the game will start.