Fun and Games: 7 macOS Pranks to Play on Your Coworkers

Prank 1/7:

Change function keys

• Open System Settings
• Search for "modifier" and click on "Customize modifier keys"
• Switch out Command (⌘) + Control (⌃) keys with each other

Prank 2/7:

Rotate screen

• Open System Settings
• Click on Displays while holding down Option (⌥)
• Under Rotation select 90°, 180° or 270°

Prank 3/7:

Add an alternative stylesheet to the browser

• Set up a custom CSS file with some fun rules. (Tip: search for @twholman and fun.css for good ideas)
• Add it to Safari by going to Safari > Settings > Advanced
• Select your stylesheet under "Style sheet"

Prank 4/7:

Enlarge the cursor

• Open System Settings
• Search for "pointer size"
• Drag the slider for "Pointer size" to Large

Prank 5/7:

Play an annoying video each restart

• Open System Settings
• Search for "Open at Login"
• Add Safari to Open at Login.
• Open Safari
• Go to Safari > Settings
• Add an annoying video (Rickroll?) as the Homepage

Prank 6/7:

Invert colors on the display

• Open System Settings
• Search for "Invert colors"
• Turn on "Invert Colors"

Prank 7/7:

Change the icons of common programs

• Open the Applications folder
• Highlight two programs
• Press Command + I
• Click the icon you want to copy (it should have a blue outline)
• Press Command + C
• Click the other icon and press Command+V to set the icon