All of my runs were modeled on or inspired from fussh's "Hitman Contracts in 25 minutes". Below are the recurrent tricks and notes in this run:

• Loading screen movement - Holding a movement key during the loading screen provides a little extra speed in that direction at the beginning of the level.  It is also possible to turn during the loading screen.
• Quick reload - Holstering a weapon and re-equipping it is faster than using the reload button. This cannot be done with an empty magazine because of auto-reload.
• The bullets are hitscan rather than projectile.
• Like Hitman 2, some stairs are faster to run through with two movement vectors (diagonal).
• Patch v1.74 (official latest as of Jan 2008) was used for the entire run.
• Movement can be improved in all of my levels.
• While recording at 30 fps, the enemies appear to have slower reaction time. This was instrumental for survival in The Meat King's Party, Beldingford Manor, Traditions of the Trade, The Seafood Massacre, and Hunter and Hunted.

For each mission, I have written down the objectives and the approximate times at which they were completed; special objectives have been noted.  I have omitted the "escape" objectives, as they appear in every mission.  Additional comments may be found below the objectives.

01 - Asylum Aftermath (1:16)

1. The walking asylum patients are random.  It is possible to have zero patients obstructing your path through the asylum, as well as having the two doors prior to the lift opened by the patients before you run through them.  However, the chance of being so fortunate is extremely small.
2. At the main entrance, the SWAT team members and especially the sniper usually deplete all my health, forcing me to land three headshots in slow motion within an allotted time to stay alive.  In this rare run, my health only went down to red.

02 - The Meat King's Party (1:26)

• Assassinate "Meat King" Campbell Sturrock [1:14]
• Assassinate Lawyer Andrei Puscus [0:59]
• Rescue the Client's Daughter [0:32 - objective changed, explained in skipped cutscene]

03 - The Bjarkhov Bomb (4:59)

• Assassinate Fabian Fuchs [0:02]
• Assassinate commander Bjarkhov [4:18]
• Destroy dirty bomb production capability [4:22]

1. After exiting the plane in the beginning, traveling to the tunnel in a straight line will cause the soldier to notice you.  I initially ran at a 45- angle towards the left fence before running perpendicular.
2. The soldiers patrolling around the submarine are erratic, so I kept my distance from them.
3. It is possible to run towards the sniper rifle, but I initially snuck to reduce the chance of having my cover blown by the soldier standing next to it.

04 - Beldingford Manor (2:04)

• Assassinate Lord Winston Beldingford [0:39]
• Assassinate Alistair Beldingford [0:56]
• Rescue Giles Northcott [1:34]

05 - Rendezvous in Rotterdam (2:16)

• Assassinate Klaas teller [1:45]
• Assassinate Rutgert Van Leuven [1:05]
• Retrieve the photographs [1:19]

06 - Deadly Cargo (2:38)

• Assassinate Boris Ivanovich Deruzhka [1:28]

1. The officer smoking beside the truck at 0:21 usually blows my cover, but very rarely will he open fire.
2. On the helipad, I waited for one of the guards to walk out of my weapons' audio range.  This delays the fire of the guards, giving me a higher chance of survival.
3. A SWAT team member may come from the door at 1:58, so I took a precaution.
4. It is possible to avoid fire from the guards and SWAT teams altogether to shorten the route, but I have not been able to achieve this consistently.

07 - Traditions of the Trade (2:08)

• Assassinate Franz Fuchs [1:12]
• Assassinate Fritz Fuchs [0:31]
• Retrieve the chemical bomb [1:33]

1. I had to pick the lock at the showering target's door because I cannot consistently induce his bodyguard to run out of the room after hearing gunshots, and the target does not hear the shots until the door is open.
2. It is not possible to wield a single silverballer while holding the chemical bomb.

08 - Slaying a Dragon (0:41)

• Assassinate the red dragon negotiator [0:18]
• Blue lotus negotiator must survive [passive]

1. The guard who closes the limo door cannot be clipped until his door-closing animation is completed.
2. There is a sniper who may shoot if you run too deep inside the meeting area.

09 - The Wang Fou Incident (1:40)

• Assassinate blue lotus negotiator [1:26]
• Assassinate blue lotus triad member [1:26]
• Assassinate blue lotus triad member [1:28]
• Assassinate blue lotus triad member [1:31]
• Assassinate blue lotus triad member [1:33]
• Assassinate blue lotus triad member [1:03]
• Assassinate blue lotus triad member [1:03]

1. The first four targets were killed with only two shots because sniper bullets travel through flesh.
2. Two of the targets cannot be shot until their door-closing animations are completed.
3. A highly skilled sniper may reduce time by walking while sniping, and fully utilizing the rifle's rate of fire.
4. Regarding the last two targets, it is wiser to kill the left one first because killing the right one first would cause the left one to run and become a harder target.

10 - The Seafood Massacre (1:41)

• Assassinate the red dragon negotiator [0:49]
• Conceal the red dragon negotiator's body [0:58]
• Assassinate the chief of police [1:15]
• Assassinate the blue lotus negotiator [0:23]
• Place the amulet at restaurant [1:26]

1. Alarming the first target too early will result in a mission failure because he would _technically_ have fled, even if you successfully stangulate him.
2. Tapping a movement key towards the end of the strangulation animation will sometimes cut the animation short and save a couple of seconds.
3. A sniper who targets the entrance of the restaurant makes this run particularly difficult.

11 - Lee Hong Assassination (1:54)

• Assassinate triad leader [1:04]
• Obtain jade figurine [1:25]

1. This level takes by far the most amount of time to record because of the following random factors:
• The amount of damage sustained outside in the garden as the guards attempt to shoot you, which affects the chance of surviving a one-storey fall.  In my run, I only took one bullet and it struck a good hitbox.
• The location of the jade figurine.  There are four safes in which the figurine may be placed.  (I am not sure if the probability for each safe is evenly distributed, as I only found the jade figurine once in 15 attempts.  If each safe has an equal chance of containing the figurine, there is less than a 7% chance (.75^14 * .25 * 15) that this would have happened.)
• The amount of damage sustained after dropping one storey.  I find it ranges between half a bar and close to a full bar.
2. Picking up the laxative in the bar causes Lee Hong to teleport from his mansion to outside.
3. Picking the lock at 1:28 is sometimes unnecessary because an enemy may open it.

12 - Hunter and Hunted (0:46)

• Assassinate Inspector Albert Fournier [0:40]
• Assassinate Ambassador Richard Delahunt [completed]
• Assassinate Tenor Philippe Berceuse [completed]

1. After killing the police officer, SWAT team members may appear at the stairs down the hallway.  Their location is randomized, but if you do encounter them, I recommend taking their clothes instead of the officer's because the SWAT uniform is less likely to be blown.