• Activation (at main menu) = 1+4+7+A ("Excellent")
• Commands (during gameplay):
• Skip to Next Level = Option ("Outta Here")
• Enable Warp Bonus Round = 6 ("Warp Enabled")

Easter Eggs:

• Enable Rotary Controller (at Game Option menu): Press Pause on both controllers ("Excellent")
• Web Rotation (during Web Select screen):
• U/D = Web level
• L/R = Rotate toggle
• Invisible Web: Start any Tempest Plus game. Hold down Option (cheats must be active) until you get to the rainbow levels. The web will be invisible during the rainbow levels only.
• Pause Bug: At the end of the Bacon/Jupiter River bonus round, press Pause just as it switches back to the main game (after approximately two & a half pulses of the "Excellent!" graphic).
• Secret Sheep: At the first "Jupiter" warp level, press pause, select music volume, and wait. Late in the track, you'll hear Flossie and the other sheep engaged in conversation.