Rapid firing Guns(most levels):
800B6BE9 00FF

Random Gunfire(may crash machine):
800B6BE0 0020

Sideways Guns (with all guns cheats check the tazer):
800B6CCC CCCC

Full facility Stage in Multi.(press GS button to shoot bullets, then aim at door that is usually locked and blow it up):
880C8784 0001

Darkened, metallic levels:
800212D9 CCCC

Random enemies in missions(all the enemies will be one character, so you might see mayday or oddjob in the game after all!):
80357778 0001

Play Cradle or Statue levels in Multiplayer(to use set up the mucltiplayer level as you normally would, then exit MP to the missions. Start on Statue/Cradle in Agent, and you are in Multi):
8102A8F2 0001

Aztec, Silo, maybe Streets in Multiplayer(Do as above, but streets may crash the machine, and you will only have slappers for weapons on all levels):
800364CB 0000
8102A8F2 0001

For weapons add this:
81036F6C 0000
81036F6E 0002
D0064F31 000C
80024303 0001

Bulletproof Bond
8002ce440030
80030b200030

Enemy Cannot Aim
8002ce400030
80030b1c0030

Extra Ammo
80030b280048

Weak Enemies
8002ce480048

Enable All Levels
80036fb70001

Have All Objectives Done
80036fd30001

No Objects In Level
80036f7f0000

Walk Through Doors
800364cb0000

Enable Agent Levels
80036fb30001

Fast Bond
80036fcf0001

Invisible
800364c70000

No Backgrounds
80036f7b0000

Speed Display
80036f770001