1.1 DataDyne Defection (Perfect Agent)

Labtop Gun: The hacker will open a locked door by the elevator.
Double Falcon: A guard three floors down from the roof will drop one, it's one of those helmet guards.

1.2 DataDyne Research Investigation

Double CMP150: Make it to the weapons cache near the downstairs maintenance bots without been seen.
Proximity Mine: On the perimeter of the isotope room.

1.3 DataDyne Central Extraction

DY357 Magnum: Get the first five guards down without being seen.
Dragon: Get to the elevator without being seen, then kill the guard when you take the elevator up. He will drop a key card and use it to get into Cassandra's office. When you're in there, make a hole on the right side of the room to find the Dragon.

2 Carrington Villa

Devastator: Get it by destroying the crates that are on the Villa.
Sniper Rifle (Perfect Agent): It's in a shower in one of the bedrooms downstairs.

3.1 Chicago Stealth

Bomb Spy: Shoot the barrels to blow up the dumpster by the G5 building.
Double Falcons (Scope): It's in the Pond Punk Bar.

3.2 G5 Building Reconnaissance

Crossbow: Disarm the cloaked guard in the first room.
N Bomb (Special and Perfect Only): You have to blow up the top fire escape in 3.1, it will be near the exit upstairs.

4.1 Area 51 Infiltration

Double Magsec4: Kill the red guard by the communications rider.

4.2 Area 51 Rescue

Pheonix: It's in the secret room above the hanger.
Double Falcons (Silencer): Go to the stacks of barrels on the right, there's an explosive barrel on the bottom.

4.3 Area 51 Escape

Remote Mine: Get Elvis to safety under 36 seconds.
Double Falcons (Scope): Go back into the lab at the start.

5.1 Air Base Espionage

Proximity Mine: Past the tunnel near the beginning, it's at the end of the tunnel.
Double DY357 Magnum: Puch out the NSA agent near the elevator to the Air Force One Hanger

5.2 Air Force One Anti-Terrorism

Double Cyclone Puch the 2 Secret Service agents in the room straight ahead from the start. Use their key card to open a closet that has a Cyclone.

5.3 Crash Site Confrontation

Proximity Mine: Visit Elvis in the beginning at his UFO.
Double DY357-LX: Disarm Trent as he runs by you after rescuing the President.

6.1 Pelagic II Exploration

Double Falcon (Silencer): Make it to the fourth room without trigerring an alarm. Kill the guard.

6.2 Deep Sea Nullify Threat

Proximity Mine: Just past the tunnel after the large cavern (near beginning), kill the guard to the left.

7 Carrington Institute Defense

Devastator: Save at least one hostage in the Information Center.

8 Attack Ship Cover Assault

Double Mauler: Kill the Skedar in the center of the bridge.

9 Skedar Ruins Battle Shrine

Double Pheonix: Destory the two unmarked pillars with the Devatator. It will appear right before the canyon.

10 Mr. Blondes Revenge

Double CMP150: Kill Cassandra's bodyguards near the lab elevator.

11 Maian SOS

Double DY357 -LX: Kill the guard in the left containment room.
Phychosis Gun: On the lab table at the start