After Dark

The following trick requires After Dark v4.0.

Change backgrounds and colors:
Hit the [Caps Lock] key after one of the following screen savers activates:

Tunnel,
Swirling Magic,
Super Guy,
Satori,
Out 'n About,
Nirvana,
Mandlebrot,
Hula Twins,
Bad Dog.

Scare away the fish:
Choose the fish screen saver. Hit the [Tab] key after the screen saver
activates.

Swimming toaster:
Choose the fish screen saver. Hit the [Caps Lock] key after the screen
saver activates.

Rock Scissors Paper battle:
Choose the Rock, Paper, Scissors screen saver. Hit the [Caps Lock] key to
unlock a new option. The new option allows you to choose the rock, paper,
or scissors in a game against the CPU.

Santa Claus:
Modify the system date to December 25, then choose the Voyeur screen saver.
Note: This trick requires Totally Twisted After Dark.