- Customizing appearance
You can customize your character's appearance again by going to the bathroom.

- Veteran class
Successfully complete the game under the Recruit class to unlock the Veteran class, which begins with three skill points in every category and 'Veteran' dialog options.

- Trophies
Successfully complete one of the following tasks to get a trophy:

Bronze Trophies
Ask Questions First, Shoot Later	Refrain from killing in cold blood.
No Time For Love	Finish the game without being seduced.
Desert Spear	Assassinate Sheikh Shaheed.
Assault Rifle Marksmanship	Realize 100 head shots with the Assault Rifle.
Social Butterfly	Gain Liked reputation status of 3 people (who must all Like you at the same time).
Technophile	Finish 5 missions wherein 6 different gadgets are used.
Hard to Read	Across 90 dialogue choices, you've used each stance at least 25% of the time.
Ladies' Man	Romance all the ladies in Alpha Protocol in a single career.
Data Theft	Hack 10 computers.
Breaking and Entering	Pick 10 locks.
Ready For Anything	Acquire the vast majority of Intel available in the game.
One With The Shadows	Finish 3 missions with less than 5 kills and with no enemies alerted to your presence.
Judge, Jury, and Executioner	Let your gun do the talking.
Building a Deadlier Mousetrap	Have 100 placed devices detonate.
Basic Training	Finish the Training Mission.
SMG Havoc	Achieve the maximum SMG Critical Hit Multiplier 7 times in your career.
Pistol Mastery	Realize 100 Critical Hits with the Pistol.
Lurker	You Evaded (or defeated via Takedown moves) 75 enemies.
Shotgun Crowd Control	Realize 100 Critical Hits with the Shotgun.
Black Belt	Overcome 50 enemies with CQC.
Circuit Breaker	Bypass 20 electronic devices.
Antisocial	Get 3 people to hate you (who must all hate you at the same time).
Silver Trophies
Evolution of an Action Hero	Finish Alpha Protocol using the Recruit background.
Operation Blood Feud	Finish Operation Blood Feud.
Alpha Protocol	Finish Operation Desert Spear.
Thorton, Inc.	Turn all of your enemies into allies in one single career.
Operation Deus Vult	Finish Operation Deus Vult.
Operation True Heirs	Finish Operation True Heirs.
Gold Trophies
Full O	Finish Alpha Protocol.
Hardcore	Finish Alpha Protocol on Hard difficulty setting.
Platinum Trophies
Platinum	Gain All Trophies.

Bronze Trophies
A Plot Uncovered	You discovered the identity of Sung's assassin.
Price For Lying	You killed Surkov for lying to you.
Respected Enemies	You gained Marburg's respect and bested him in battle.
Keeping the Peace	You prevented a riot from killing hundreds in Taipei.
A Price On Mercy	You spared Konstantin Brayko.
Russian Alliance	You forged a partnership with Sergei Surkov.
Never Trust A Sociopath	You successfully alienated 'secret agent' Steven Heck.
Friends Before Strangers	You saved Madison Saint James from certain death.
Exclusive Interview	You and Scarlet Lake had a romantic trist.
Office Romance	Your working relationship with Mina Tang turned into something more.
Savage Love	You gained the affection of SIE and allowed her to consummate her lust.
Hard Choices	The Roman History Museum is safe, thanks to your efforts.
One Less Gangster	Konstantin Brayko is dead by your hand.
Stay of Execution	You allowed Sheikh Shaheed to live.
Secret Service	You prevented the assassination of President Ronald Sung.
Youth Trumps Experience	By carefully pushing his buttons, you provoked Marburg into fighting to the death.
Rome-ance	You became more than friends with Madison Saint James.
Silver Trophies
Rising Star	You joined Halbech and put an end to Alpha Protocol.
No Compromise, No Mercy	Choosing your own path, you put an end to Halbech and Alpha Protocol.
Crime Buster	You reconciled with Alpha Protocol and put Halbech out of business.

- Refilling endurance meter
When you have taken endurance damage, go to the inventory screen, and select 'Armor'. Re-equip your armor (highlight armor and press X) to completely refill your endurance meter. Repeat this as many times as desired. -From: Ezra Rainstein

- Easy Boss kills
Get the pistol up to the advanced chain shot level. When a Boss sticks their head out, do a five shot chain shot to kill it instantly.

- Romance bonuses
Successfully complete the indicated task to unlock the corresponding bonus:

Rome-ance (+5 Endurance, +500 XP)	Romance Madison.
Exclusive Interview (+5 Endurance, +500 XP)	Romance Scarlet.
Office Romance (+5 Endurance, +500 XP)	Romance Mina.
Savage Love (-5% Fury, Roomsweep, Iron Will, and hard to kill cooldown)	Get 'assaulted' by selecting SIE as handler in the final mission while having a reputation higher than 7.
Ladies Man (+5 AP)	Successfully complete all four romances.
No Time For love (+20 Endurance, 20% Endurance Recharge)	Have no romances.
Thanks But No Thanks (-5% cooldown on Evasion and Iron Will)	Refuse SIE's advances.

- Easy ammunition in 'Intercept Nasri The Arms Dealer' mission
Successfully complete the 'Overcome Nasri's Guards' objective, and remain in that room. There are three sets of stairs, with a door behind two of them and another with a table across the top. In front of that table is an random ammunition collectable. This collectable will respawn after approximately thirty seconds.

- Bonus weapons
Successfully complete the indicated task to unlock the corresponding special weapon:

Gold SMG	Assassinate Brajka.
Gold assault rifle	Sneak up on Al Samad Lieutenant without any alarms being sounded.
Marburg's pistol	Bait Marburg into fighting to the death in the museum.
Brayko's SMGs	Kill Brayko.
Brayko's stereo	Spare Brayko.
Omen's shotgun	Kill Omen Deng.

- Easy ammunition in 'Investigate Marburg's Villa' mission
At the end of the mission, you can find two ammo collectibles in the garden on the north and south sides. They will respawn after you move back to the doors.