The Codes Below Are Activated By Finishing A Certain Stage On A Certain Difficulty Before The Time Indicated!

Level
Cheat
Difficulty
Time
Level 1 - Dam Paintball Mode Secret Agent 2:40
Level 2 - Facility Invincibility 00 Agent 2:05
Level 3 - Runway (Big Head) DK Mode Agent 5:00
Level 4 - Surface 2 Grenade Launchers Secret Agent 3:30
Level 5 - Bunker 2 Rocket Launchers 00 Agent 4:00
Level 6 - Silo Turbo Mode Agent 3:00
Level 7 - Frigate No Radar (Multi-Player) Secret Agent 4:30
Level 8 - Surface2 Tiny Bond 00 Agent 4:15
Level 9 - Bunker2 2 Throwing Knives Agent 1:30
Level 10 - Statue Fast Animation Secret Agent 3:15
Level 11 - Archives Invisibility 00 Agent 1:20
Level 12 - Streets Enemys Have Rockets Agent 1:45
Level 13 - Depot Slow Animation Secret Agent 1:30
Level 14 - Train Silver PP7 00 Agent 5:25
Level 15 - Jungle 2 Hunting Knives Agent 3:45
Level 16 - Control Infinite Ammo Secret Agent 10:00
Level 17 - Caverns 2 RC-P90s 00 Agent 9:30
Level 18 - Cradle Gold PP7 Agent 2:15
Level 19 - Aztec 2 Lasers Secret Agent 9:00
Level 20 - Egyptian All Guns 00 Agent 6:00

Secret Weapons Can Become Useable After Finishing Certain Levels!

WeaponLevel
MagnumAntenna Cradle, AKA Janus Base
LaserAztec Complex
Golden GunEgyptian Temple