10 Points
The following achievements are worth 10 points:
Shad-owned - Complete a silent kill with Shadow.
Smile, you son of a... - Destroy one TAC tank.
That's what you gets! - Kill an enemy by pushing him over a ledge.
Got your GAC - Take a GAC member as a hostage.
Get ready for a surprise! - Jump and kick an enemy from cover.
Featherweight - Perform 200 3-hit combinations.
Shadowboxing - Dash and evade 50 strikes.
Dog Tag - Get a tag team kill using Shadow.
Headbanger - Open 10 doors using a hostage's head.
Price of Justice - Collect 50 police officer badges.
Scrotality - Perform a groin takedown with Shadow.
15 Points
The following achievements are worth 15 points:
Just like Dad would have done - Complete the game.
Crossing the line - Use a takedown to defeat the Enforcer.
Shown the ropes - Complete the fight with Frank.
Crime and punishment - Perform 50 takedowns on enemies.
Dog's dinner - Perform 50 kills using Shadow.
Bring a gun to a fist fight - Disarm 50 enemies.
It's all in the timing - Use the move "Counter" 50 times.
20+ Points
The following achievements are worth 20 or more points:
Heavyweight - Perform 100 5-hit combinations (20 points).
Best cop this city's ever had - Complete the game on Officer Difficulty (25 points).
Shhhhh - On Officer or higher difficulty, complete 10 silent kills on one level (25 points).
Boom! - On Officer or higher difficulty, perform 30 headshots (25 points).
Finish him Shadow! - On Officer or higher difficulty, combine Jack and Shadow to kill 20 enemies (25 points).
Honor the dead - Collect 30 police officer badges (30 points).
Perfect balance - Max out the Variation Bonus on any level (30 points).
Got your back - On Levels 3 through 10, complete one level without either character dying.
First at the scene - Max out the Clear Time Bonus on any level.
Secret Acheivements
The following secret achievements are worth 15 points each:
Once bitten - Clear a path through enemies using Shadow.
Protect the Innocent - Save the hostages.
Shadow...keys - Using Shadow, help Frank and Jack get into Milton.
Man's best friend - Acquire Shadow.
Commuter disruption - Make the train crash.
Guard dog - Using Shadow, pull Jack out of danger.
Apparently I CAN kill you - Defeat Tseng in battle.
Fetch! - Using Shadow, find a way to get Jack through the gate.
The battle, not the war - Escape from GAC.
Canine fodder - Turn off the electric fences.
Air traffic control - Destroy the helicopters.
Just gimme the bottle - Get Jack into the bar unharmed.
Keeping faith - Rescue the character "Faith."
GAC hawk down - Destroy the GAC gunship.
Throw away the key - Lock up Temple.
Run out of town - Fight off the GAC.
Dog of War - Using Shadow, retrieve the security key.
Doing it the old fashioned way - Defeat Redwater.