Type in POOSLICE as your name to enable the cheats. When your done typing it in a weird sound will start playing. That's telling you that the cheats are on. Then you can delete the name and type in whatever you want. 0 - Add more options to research menu (at the research screen)
U - Finish a days worth of research (at the research screen)
ALT-C - Complete the level (during the game)
ALT-T - Teleport active agent to cursor location (during the game)
SHIFT-Q - Full weapons and health (during the game) Command line parameters
To use the command line parameters, start the game with main /w /g and add them to the end of the line or add them on that line in the PLAY.BAT file. /m - Allows you to hit the . key at the menus to get 10,000 credits
/mx - Skip to that mission (where x is a number between 1 and 108)