Asteroids + Asteroids Delux

Complete each achievement to get the allotted gamerscore.
Unlockable: How to unlock:
Fugitive (10):Survive for 3 minutes on your first life Asteroids DeLuxe - Normal difficulty
Mayhem (10):Have a Saucer and 6 Killer Satellite sections on screen Asteroids DeLuxe - Normal difficulty
Precision (10):Complete wave 1 with 28 shots or less Asteroids - Normal difficulty
Ruthless (10):Destroy 10 Saucers without letting any escape Asteroids - Normal difficulty
Hero (15):Have 4 lives in hand Asteroids DeLuxe - Normal difficulty
Lunatic (15):Earn a bonus life Asteroids DeLuxe - Throttle Monkey mode
Maniac (15):Earn a bonus life Asteroids - Throttle Monkey mode
Superstar (15):Have 4 lives in hand Asteroids - Normal difficulty
Platinum (20):Score 250,000 points Asteroids DeLuxe - Normal difficulty
Rockstorm (20):Have 24 Asteroids on screen Asteroids - Normal difficulty
Clockstopper (30):End a game on exactly 99990 points Asteroids - Normal difficulty
Pinpoint (30):Complete wave 3 with 42 shots or less Asteroids DeLuxe - Normal difficulty

Assault Heros

Complete the following tasks to unlock the corresponding achievements and their alloted GamerScore.
Annih ilator - 10 GamerScore:Kill more than 85% of the total enemies in a zone.
Assault Hero - 30 GamerScore:Complet e the game.
Exterminato r - 10 GamerScore:Defeat the giant spider.
Lair Slayer - 10 GamerScore:Complet e ALL underground zones.
Sharp Shooter - 10 GamerScore:Don't waste more than 30% of your bullets.
Unstoppa ble - 10:Complete a zone without losing a life.
Small Arms Expert - 20 GamerScore:Complet e a zone without using grenades or nukes.
Peace Maker - 20 GamerScore:Complet e a zone killing less than 50% of the enemies.Speed Freak - 20 GamerScore:Complet e a zone in less than 15 minutes.
Survivor - 20 GamerScore:Complet e a zone killing 60% of the units on foot.
Tricked Out - 20 GamerScore:Max out ALL of the vehicle Power-Ups.
Twin Medal - 20:Complete a zone in Co-Op mode.

Assassins Creed

Complete each achievement to get the allotted gamerscore.
Unlockable: How to unlock:
Enemy of the Poor (5):Grab and Throw 25 Harassers.
Gifted Escapist (5):Jump through 20 merchant stands.
March of the Pious (5):Use Scholar blending 20 times.
Eagle's Dance (10):Perform 50 leap of faith.
Keeper of the 8 Virtues (10):Find All Hospitalier Flags in Acre.
Keeper of the Black Cross (10):Find All Teutonic Flags in Acre.
Keeper of the Creed (10):Find All Flags in Masyaf.
Keeper of the Order (10):Find all Templar Flags in Acre.
Eagle's Eye (15):Kill 75 guards by throwing knives.
Eagle's Talon (15):Perform 50 stealth assassinations.
The hands of a Thief (15):Pickpocket 200 throwing knives.
Conversationalist (20):Go through every dialog with Lucy.
Defender of the People: Acre (20):Complete every free mission in Acre.
Defender of the People: Damascus (20):Complete every free mission in Damascus.
Defender of the People: Jerusalem (20):Complete every free mission in Jerusalem.
Eagle's Challenge (20):Defeat 25 guards in a single fight.

Armoured Core 4

Complete each achievement to get the allotted gamerscore.
Unlockable How to Unlock
Special Pack (30):Awarded for completing the "NDP-S001" data pack
10 Menno Ruh (10):Awarded for completing the INTERNAL PURGE mission on Hard
25 Borisovich (10):Awarded for completing the SANDSTORM CITADEL mission on Hard
02 Sadhana (10):Awarded for completing the EGO BOOST mission on Hard
00-Aretha (10):Awarded for completing the SEED A BARREN EARTH mission on Hard.
Sol Dios (10):Awarded for completing the SOL DIOS mission on Hard.
Ursragna (10):Awarded for completing the JUGGERNAUT mission on Hard.
Sus (10):Awarded for completing the UP IN FLAMES mission on Hard.
Amazigh (10):Awarded for completing the DESERT WOLF mission on Hard.
14 Sherring (10):Awarded for completing the SEA OF BLOOD mission on Hard.
05 Mary Shelley (10):Awarded for completing the EMPRESS mission on Hard.
03 Anjou (10):Awarded for completing the JARDIN DE CHEVALIER mission on Hard.
01 Berlioz (10):Awarded for completing the MARCHE AU SUPPLICE mission on Hard.
All Data Packs (50):Awarded for completing all data packs.
Maghrib Pack (30):Awarded for completing the "NDP-X002 MAGHRIB" data pack.

Arkadian Warriors

Complete each achievement to get the allotted gamerscore.
Unlockable: How to unlock:
Geared Up (5):Equip a full suit of armor: Helmet, Armor and Weapon.
Dungeon Delver (5):Destroy all monsters in a dungeon level.
Chain Master (10):Achieve a 10 kill chain.
Morph to Kill (5):Defeat 10 monsters while in Alter Ego form.
Team Work (10):Complete 2 quests in one continuous co-op session.
Class Act (10):Complete at least one quest with each character.
Master Bomber (10):Kill 100 monsters using exploding vases.
God's Champion (20):Reach level 20 with any character.
Gold Miser (25):Accumulate 500000 Gold.
Treasure Hunter (25):Find 15 secret rooms.
Merchant's Master (25):Buy or sell 100 items.
Buy or sell 100 items:Finish the game by beating the Gorgon.

Amped 3

Choose options from the main menu, then select cheat codes and enter the following codes
Password: Effect:
X,Y,UP,LEFT,LB,LB,RT ,X,Y,LT :Unlock all mountains
RT,X,LT,DOWN,RIGHT,L B,LT,RT,Y,X :Unlock all sleds
LB,RT,Y,UP,DOWN,X,LT ,LEFT,RB,RT :Unlock all tricks
RIGHT,LB,LT,X,LEFT,R B,RT,Y,LT,X :Unlock all challenges
DOWN,X,RIGHT,LB,RIGH T,RB,X,RT,LT,Y :Unlock all zones on available mountains
LT,RT,UP,UP,RB,LEFT, RIGHT,X,Y,LB :Unlock all build objects
UP,LEFT,RT,RB,RT,UP, DOWN,LEFT,Y,LT :Unlock all music
Y,DOWN,UP,LEFT,RIGHT ,LB,RIGHT,RT,RT,RB :Unlock all clothing,gear,costum es,and awesomeness
RB,RB,DOWN,LEFT,UP,R T,X,RB,X,X :Unlock all Awesomeness Ranks
UP,RT,X,Y,LB,X,DOWN, LB,RT,RB :Awesomeness always on
RT,DOWN,DOWN,UP,X,LB ,Y,RT,Y,DOWN :Low Gravity
X,X,LB,DOWN,RIGHT,RI GHT,UP,Y,Y,LT :No computer-controlled boarders/skiers
X,X,X,X,Y,Y,Y,X:Super Spins

All-Pro Football 2ka

Complete each achievement to get the allotted gamerscore.
Unlockable: How to unlock:
Game Record Forced Fumbles (15): Set the single game record for forced fumbles.
Return a Fumble for a Touchdown (15): Return a Fumble for a Touchdown.
Create a Player (5): Create a Player.
Edit any part of your team (5): Edit Team.
Gift of Grab (10): Catch 10 Passes with a Bronze WR.
Create a Team (5): Create a Team.
Game Record Defensive INT (20): Set the single game record for INTs.
Game Record Passing Yards (15): Set the single game record for Passing Yards.
Game Record Receiving Yards (20): Set the single game record for Receiving Yards.
Game Record Rushing Yards (10): Set the single game record for Rushing Yards.
Game Record for Defensive Sacks (20): Set the single game record for Defensive Sacks.
Game Record Touchdowns (10): Set the single game record for Touchdowns.
Stride Gum... long lasting drive (20): Near end of the 2nd qtr or later, score an 80 yard TD.
Return an INT for a Touchdown (15): Return an INT for a Touchdown.
Win 10 Games Online (15): Win 10 Online Games.
Win 20 Online Games (20): Win 20 Online Games.

Ace Combat 6: fires of liberation

The following can be unlocked by completing various tasks in the game.
Unlockable: How to unlock:

SP New Game: Complete campaign once on any difficulty setting.

CFA 44 Nosferatu Fighter: Beat the game on Hard difficulty. It will appear in your hangar, purchase it for $229,500.

Unlock Expert Difficulty: Beat the game once.

Scene Viewer: Beat the game once.

Music Player: Beat the game once.