Convert To Queen
Enter the house and move between the television and the chair. Use the electric socket closest to the colony to shock yourself. The word "Change" will appear to confirm correct trick entry. You will reappear in the colony as the Queen.
Debug Menu
Plug a SNES Mouse into controller port 2, then while holding both mouse buttons, press L+R+Start on Controller 1 at the title screen.
Defeat Red Ants
Rapidly tap A when fighting a red ant.
Scenario Select
Attach a mouse controller to port two. Use controller one to begin a game and enter scenario mode. Use the mouse to highlight the scenarios, and use controller one to select a scenario.