DK Mode
Complete mission 3.1 Chicago In Any Difficulty

Small Joanna
Complete mission 3.2 G5 Building In Any Difficulty

Small Characters
Complete mission 4.1 Area 51 Infiltration In Any Difficulty

Team Heads Only
Complete mission 5.1 Air Base In Any Difficulty

Play As Elvis
Complete mission Area 51 Rescue In Perfect Difficulty In Under 7:00

Slow Mo Single Player
Complete mission 1.2 dataDyne Investigation In Any Difficulty

Invincible
Complete mission Area 51 Escape In Agent Difficulty In Under 3:50

Cloaking Device
Complete mission 3.2 G5 Building In Agent Difficulty In Under 0:59, or use the Game Boy Color Perfect Dark with the Transfer Pak.

Marquis Of Queensbury Rules
Complete mission 1.1 dataDyne Defection In Special Difficulty In Under 1:30

Jo Shield
Complete mission 6.2 Deep Sea In Any Difficulty

Super Shield
Complete mission 7 Carrington Institute Defense In Agent Difficulty In Under 1:12

Perfect Darkness
Complete mission 5.3 Crash Site In Any Difficulty

Enemy Rockets
Complete mission 6.1 Pelagic II In Any Difficulty

Enemy Shields
Complete mission 7 Carrington Institute Defense In Any Difficulty

Infinite Ammo For Laptop Gun
Complete mission 5.2 Air Force One In Perfect Difficulty In Under 2:59

Infinite Ammo
Complete mission 6.1 Pelagic II In Special Difficulty In Under 5:50

Infinite Ammo & No Reload
Complete mission 5.1 Air Base In Special Difficulty In Under 2:59

Hurricane Fists
Complete mission 1.3 dataDyne Extraction In Agent Difficulty In Under 2:03, or use the Game Boy Color Perfect Dark with the Transfer Pak.

Access Goldenyeesque Weapons PP9I, CC13, KLO1313, KF7 Special, ZZT, DMC, AR 53, & RC-P45 In Solo Mode
Get all gold on the firing range.

Rocket Launcher
Complete mission 1.3 dataDyne Extraction In Any Difficulty

Sniper Rifle
Complete mission 2 Carrington Villa In Any Difficulty

Super Dragon
Complete mission 4.3 Area 51 Escape In Any Difficulty

Laptop Gun
Complete mission 5.2 Air Force One In Any Difficulty

Phoenix
Complete mission 8 Attack Ship In Any Difficulty

Psychosis Gun
Complete mission 3.1 Chicago In Perfect Difficulty In Under 1:44

Trent's Magnum
Complete mission 5.3 Crash Site In Agent Difficulty In Under 2:50

FarSight
Complete mission 6.2 Deep Sea In Perfect Difficulty In Under 5:13

Classic Sight
Complete mission 1.1 dataDyne Defection In Any Difficulty

X-Ray Scanner
Complete mission 4.2 Area 51: Rescue In Any Difficulty

R-Tracker
Complete mission 9 Skedar Ruins In Any Difficulty, or use the Game Boy Color Perfect Dark with the Transfer Pak.

All Guns In Solo Mode
Complete mission 9 Skedar Ruins In Perfect Difficulty In Under 4:07, or use the Game Boy Color Perfect Dark with the Transfer Pak.

Buddies

Access Pugilist
Complete mission 1.2 dataDyne Investigation In Special Difficulty In Under 6:30

Access Hotshot
Complete mission 4.1 Area 51: Infiltration In Special Difficulty In Under 5:00

Access X-Ray Scanner
Complete mission 4.2 Area 51: Rescue In Any Difficulty

Access Hit and Run
Complete mission 2 Carrington Villa In Special Difficulty In Under 2:30

Access Alien
Complete mission 8 Attack Ship In Special Difficulty In Under 5:17