Feel The Payne
Reward: 30 Points
Objective: Story Complete [MEDIUM]

Serious Payne
Reward: 50 Points
Objective: Story Complete [HARD]

Maximum Payne
Reward: 80 Points
Objective: Story Complete [OLD SCHOOL]

Payne In The Ass
Reward: 20 Points
Objective: Story Complete [HARDCORE]

Part I Complete
Reward: 20 Points
Objective: Complete Part I Of The Story

Part II Complete
Reward: 20 Points
Objective: Complete Part II Of The Story

Part III Complete
Reward: 20 Points
Objective: Complete Part III Of The Story

A New York Minute
Reward: 100 Points
Objective: Finish In A New York Minute

The Shadows Rushed Me
Reward: 10 Points
Objective: Unlock And Complete New York Minute Hardcore

Out The Window
Reward: 10 Points
Objective: Get 6 Kills While Diving Through The VIP Window [FREE AIM]

The One Eyed Man Is King
Reward: 10 Points
Objective: Cover Passos With Perfect Aim

Something Wicked This Way Comes
Reward: 10 Points
Objective: Get 7 Kills While Jumping From The Rickety Boat [FREE AIM]

That Old Familiar Feeling
Reward: 10 Points
Objective: Clear The Hallway Of Lasers

Amidst The Wreckage
Reward: 5 Points
Objective: Destroy All The Models In The Boardroom

So Much For Being Subtle
Reward: 10 Points
Objective: Get 9 Kills While Being Pulled By A Chain [FREE AIM]

The Only Choice Given
Reward: 10 Points
Objective: Get 8 Kills While Dangling From A Chain [FREE AIM]

Trouble Had Come To Me
Reward: 15 Points
Objective: Clear Everyone On The Bus Ride

Along For The Ride
Reward: 10 Points
Objective: Trigger A Bullet Cam On The Zipline [FREE AIM]

Sometimes You Get Lucky
Reward: 5 Points
Objective: Get A Headshot During The Rooftop Tremors

It Was Chaos And Luck
Reward: 10 Points
Objective: Get 6 Kills While Riding The Push Cart [FREE AIM]

The Road-Kill Behind Me
Reward: 10 Points
Objective: Total Everything On The Runway

The Fear Of Losing It
Reward: 20 Points
Objective: Survive A Level Without Painkillers

It's Fear That Gives Men Wings
Reward: 20 Points
Objective: 10 Bullet Time® Kills In A Row

You Might Hurt Someone With That
Reward: 20 Points
Objective: Shoot 10 Airborne Grenades

One Bullet At A Time
Reward: 20 Points
Objective: 300 Headshots

You Play, You Pay, You Bastard
Reward: 20 Points
Objective: 100 Kills With Melee

With Practiced Bravado
Reward: 20 Points
Objective: 100 Kills During Shootdodge.

Colder Than The Devil's Heart
Reward: 15 Points
Objective: Kill 30 Enemies In 2 Minutes

A Few Hundred Bullets Back
Reward: 20 Points
Objective: Use Every Weapon In The Game

Past The Point Of No Return
Reward: 10 Points
Objective: Take 100 Painkillers

An Echo Of The Past
Reward: 35 Points
Objective: Find All Clues

Sure Know How To Pick A Place
Reward: 10 Points
Objective: Discover All Tourist Locations

A License To Kill
Reward: 40 Points
Objective: Collect All Golden Guns

All Of The Above
Reward: 100 Points
Objective: Finish All Single Player Grinds

Full Monty
Reward: 10 Points
Objective: Complete One Of Each Game Mode Including All Gang Wars

Payne Bringer
Reward: 30 Points
Objective: Kill 100 Other Players

Max Payne Invitational
Reward: 5 Points
Objective: Invite someone to play through the in-game contact list

Man Of Many Weapons
Reward: 25 Points
Objective: Unlock All Weapons

Man Of Many Faces
Reward: 25 Points
Objective: Unlock All Faction Characters

Deathmatch Challenge
Reward: 20 Points
Objective: Winner In Any Public Deathmatch

Grave Robber
Reward: 5 Points
Objective: Looted A Body

The Gambler
Reward: 15 Points
Objective: Won A Wager

Training Complete
Reward: 25 Points
Objective: Achieve Level Rank 50

Dearest Of All My Friends
Reward: 10 Points
Objective: Kill Someone On Your Friends List

Secret Achievements

Sweep
Reward: 10 Points
Objective: Flawless Team Gang Wars Victory

You Push A Man Too Far
Reward: 5 Points
Objective: Don't Shoot The Dis-Armed Man

DLC: Local Justice Map Pack

Air Ace
Reward: 25 Points
Objective: Get 2 kills in a single Shootdodge in the Departure Lounge

Express Checkout
Reward: 25 Points
Objective: Kill 4 players within 3 seconds in the Imperial Palace

Long Arm of the Law
Reward: 25 Points
Objective: Win 20 Vendettas in the 55th Battalion HQ

M4 Murder
Reward: 25 Points
Objective: Level up your M4 all the way to level 10

Keep Your Nose Clean
Reward: 25 Points
Objective: Get 100 Kills as a member of the SP

DLC: Hostage Negotiation Map Pack

Old School Moves
Reward: 10 Points
Objective: Perform a 720 spin while prone in Nightclub.

60 Seconds of Intimidation
Reward: 35 Points
Objective: Grind 60 Seconds of Intimidation on enemy players.

Early Adopter
Reward: 40 Points
Objective: In a single game, kill the same player with both the M24 and the IA2 AR.

WMD
Reward: 40 Points
Objective: Get 3 kills from a single use of the level 3 explosives burst.

DLC: Painful Memories

Bar Brawler
Reward: 20 Points
Objective: Kill someone with a melee strike in the Bar area of Hoboken Bar

Long Arm of the Lawless
Reward: 20 Points
Objective: Kill Max Payne in Panama as the De Marcos

Ouch My Head
Reward: 25 Points
Objective: Headshot someone with a Hangover

Drinker's Revenge
Reward: 30 Points
Objective: Kill the sniper who broke your Hip Flask in the same life

Welcome Ashore
Reward: 30 Points
Objective: Kill a player on the yacht from the observation platform of the Panama CanalEdited 12/12/2012 GMT

Unlockable Game modes:

Old School Mode:
You have no Last Stand & painkillers heal less, but you get a lot more bullet time as a reward.
How to Unlock: Complete the game on Hard difficulty to unlock.

Hardcore Mode:
It's like the Hard difficulty, only harder. Painkillers are tougher to find and the AI never hesitates.
How to Unlock: Complete the game on Hard difficulty to unlock.

New York Minute Hardcore:
Complete the entire game within 60 minutes with your enemies giving you a few seconds whenever you kill them.
How to Unlock: Complete all chapters of the regular New York Minute.

Unlockable Arcade Outfits

To unlock the...	...you have to:
15 Outfits from the main storyline	Complete the game on Easy difficulty or greater
Classic Max (Max Payne 2)	Complete the game on Medium difficulty or greater
Old School Max (Max Payne 1)	Complete the game on Medium difficulty or greater
Advanced Max	Complete the game on Old School difficulty

Unlockable Cheats
Go to the "Chapter Select" and you can enable the cheats when you attempt to launch a previously completed mission. All stats and Rockstar Social Club accomplishment tracking is disabled.

To unlock the...	...you have to:
Constant Bullet Cam	Find all clues
One-Hit Kills	Complete the storyline on Hardcore with Free Aim
Unlimited Painkillers	Complete the storyline on Hard with Free Aim
Unlimited Ammo	Find all of the Golden Gun parts
Unlimited Bullet Time	Get at least a 'Gold' rating on all Score Attack arcade chapters

Added 13/07/2012 GMT