| Game |
Item |
TA |
GS |
Ratio |
 |
Prototype (Xbox 360) |
 |
Trail Of CorpsesYou've killed 53,596 infected. |
143 |
(30) |
4.77 |
 |
Assassin's Creed |
 |
Keeper of the Lions PassantYou've collected every Flag in the Kingdom belonging to Richard. |
70 |
(25) |
2.84 |
 |
Call of Duty 4: Modern Warfare |
 |
Mile High ClubSky dive to safety on Veteran difficulty |
46 |
(20) |
2.31 |
 |
Grand Theft Auto IV |
 |
Endangered SpeciesYou collected every hidden package in the game. |
224 |
(50) |
4.49 |
 |
Halo 3: ODST |
 |
AudiophileFound all Audio Logs, alone or with another ODST. |
160 |
(75) |
2.14 |
|
Halo 3: ODST |
 |
Vidmaster Challenge: EndureIn Firefight, on any mission, passed the 4th Set on 4-player Heroic LIVE co-op. |
73 |
(25) |
2.92 |
|
Halo 3: ODST |
 |
Vidmaster Challenge: Déjà VuCompleted Highway on 4-player Legendary LIVE co-op, with Iron, and no 'Hog or Scorpion. |
63 |
(25) |
2.52 |
|
Halo 3: ODST |
 |
Vidmaster Challenge: ClassicFinished any level solo on Legendary, on LIVE, with no shots fired or grenades thrown. |
49 |
(25) |
1.99 |
 |
Dead Space (2008) |
 |
Don't get cocky, kidSurvive the ADS Cannon with over 50% shield strength remaining (Secret) |
24 |
(10) |
2.47 |
 |
Fallout 3 |
 |
Vault-Tec C.E.O.Collected 20 Vault-Tec Bobbleheads |
71 |
(30) |
2.39 |
 |
The Lord of the Rings: Conquest |
 |
You Have My AxeKill 20 enemies with Gimli in any Team Deathmatch game. |
40 |
(15) |
2.73 |
|
The Lord of the Rings: Conquest |
 |
Lord of the Nine RidersKill 10 players in one life as the Witch King in any ranked match. |
61 |
(15) |
4.11 |
 |
Transformers: The Game |
 |
Keeper of the AllSparkThere is no Transformer that stands greater than you. You have achieved 100% completion. |
321 |
(75) |
4.29 |
|
Call of Duty 4: Modern Warfare |
 |
Deep and HardComplete the game on Hardened or Veteran difficulty |
161 |
(90) |
1.80 |
|
Grand Theft Auto IV |
 |
Courier ServiceYou completed all 10 package delivery jobs. |
21 |
(10) |
2.19 |
 |
MX vs. ATV Untamed |
 |
Iron-man ChampionWin the X-Cross Tournament Pentathlon Trophy. |
431 |
(100) |
4.31 |
 |
The Simpsons Game |
 |
Complete PackageFinish every episode, find every collectible, and discover every Video Game Cliché Moment |
428 |
(150) |
2.86 |
 |
Call of Duty 2 |
 |
War HardenedFinished the Single Player Campaign on Hardened or Veteran difficulty setting |
360 |
(200) |
1.80 |
 |
The Chronicles of Riddick: Assault on Dark Athena |
 |
DominatorGet a 12 kill long kill streak. Get a quadruple kill. Get the first and last kill in a match. |
217 |
(40) |
5.44 |
 |
Burnout Revenge |
 |
True Elite!The Ultimate Burner! Awarded for nailing all Perfects on Burnout Revenge! |
204 |
(70) |
2.92 |
 |
Halo 3 |
 |
Campaign Complete: LegendaryCompleted the Campaign on Legendary difficulty. |
204 |
(125) |
1.63 |
|
Halo 3: ODST |
 |
Campaign Complete: LegendaryCompleted Legendary and unlocked the Dare character in Firefight. |
173 |
(100) |
1.73 |
 |
BAJA: Edge of Control |
 |
King of the HillFinished the Baja 1000 in a Trophy Truck. |
177 |
(50) |
3.55 |