Enter these codes while playing.

• GABBAGABBAHEY -- Cheats enabled
• RACERX -- Invulnerability
• MITZI -- All keys
• GUILE -- Cloaking
• TWILIGHT -- Recharges shields
• FARMERJOE -- Warps to level of your choice
• BUGGIN -- Turbo mode (everything speeds up)
• BRUIN -- Extra life
• BIOPSYTOYS -- Immediately destroys reactor
• ASTRAL -- "ghost" mode (pass through doors, but not walls)
• LUNACY -- Robots move faster but seldom fire
• BIGRED -- Weapons and full energy
• FLASH -- Show path to exit.
• SCOURGE -- Gives weapons 1-3 and 6-8.
• PORGYS -- Gives all weapons, full energy, full shields
• AHIMSA -- Renders enemies defenseless