Type these codes during game play:

CODE        EFFECT
------------------
MANIACS   - afterburners on
3DREALM   - full weapons
TRIGODS   - god mode
TRIBURN   - afterburners on and acceleration
TRINEXT   - next level
TRIHOVR   - hovering
TRISHLD   - shields
TRISCOPE  - oscilloscope
TRIWARP#  - warps to any level (#=level number)