Mass Effect cheats and cheat codes for Xbox 360

Completion bonuses:
Complete the following objectives to unlock the indicated bonuses.
You can access to them, when a new game is started. Once the game is 
finished you can also use your existing character with previously 
earned skills and equipment.

+5% weapon damage: 
Finish the game two times.

+5% Experience: 
Have a 75% game completion or reach level 50.

+25% Marksman reduced cooldown: 
Kill 150 enemies with the pistol.

+10% Stasis and Barrier reduced cooldown: 
Have a 75% game completion with Liara in your squad.

+10% Shield: 
Kill 250 Synthetic enemies.

+10% Shield strength: 
Complete the game with shield damage greater than health damage.

+10% Sabotage and AI Hacking reduced cooldown: 
Have a 75% game completion with Tali in your squad.

+10% Lift and Throw reduced cooldown: 
Have a 75% game completion with Kaiden in your squad.

+10% Health: 
Kill 150 Organic enemies.

+10% Hardening: 
Have a 75% game completion with Ashley in your squad.

+10% Experience: 
Reach level 60.

+10% Damping and Overload reduced cooldown: 
Have a 75% game completion with Garrus in your squad.

+10% Damage Reduction: 
Earn the "Soldier Ally" achievement.


Warp skill for new characters: 
Unlocked after used the Warp 75 times.

Throw skill for new characters: 
Unlocked after used the Throw 75 times.

Stasis skill for new characters: 
Unlocked after used the Stasis 75 times.

Spectre grade weapons for purchase: 
Accumulate 1 million credits. The weapons are available through the 
Normandy or C-Sec Requisitions Officers.

Sniper Rifle skill for new characters: 
Kill 150 enemies with the sniper rifle.

Singularity skill for new characters: 
Unlocked after used the "Singularity" 75 times.

Shotgun skill for new characters: 
Kill 150 enemies with the shotgun.

Shielding skill for new characters: 
Unlocked after used the Dampening 75 times.

Regenerate 1 health per second: 
Have a 75% game completion with Wrex in your squad.

Prestige Class: 
Reach level 34.

Medicine Skill for new characters: 
Unlocked after used the Neural Hacking 75 times.

Lift skill (for non-Biotics): 
Unlocked after used the Lift 75 times.

Level 60 level cap and Hardcore difficulty:
Finish the game.

Insane difficulty: 
Complete the game under the Hardcore difficulty.

Hacking skill for new characters: 
Unlocked after used the AI Hacking 75 times.

First Aid skill for new characters: 
Unlocked after used the Medi-gel 150 times.

Electronics skill for new characters: 
Unlocked after used the Overload 75 times.

Decryption skill for new characters: 
Unlocked after used the Sabotage 75 times.

Barrier skill for new characters: 
Unlocked after used the Barrier 75 times.

Assault Rifle skill for new characters: 
Kill 150 enemies with the assault rifle.

N7 Gamerpic:
Finish the game on the Insanity difficulty level.

Saren Gamerpic:
Finish the game on the Hardcore difficulty level.


Achievements:
Complete the following achievements to award the indicated amount of 
Xbox Live Gamerscore points. 

Warp Mastery (15 gamerscore points): 
Award if use biotic Warp 75 times. 

Turian Ally (20 gamerscore points): 
Finish the majority of the game with the turian squad member. 

Throw Mastery (15 gamerscore points): 
Award if use biotic Throw 75 times. 

Tactician (25 gamerscore points): 
Complete playthrough with shield damage greater than health damage. 

Stasis Mastery (15 gamerscore points): 
Award if use biotic Stasis 75 times. 

Spectre Inductee (15 gamerscore points): 
Award if become a Spectre. 

Soldier Ally (20 gamerscore points): 
Finish the majority of the game with the Alliance soldier squad member. 

Sniper Expert (15 gamerscore points): 
Awarded after register 150 Sniper Rifle Kills. 

Singularity Mastery (15 gamerscore points): 
Award if use biotic Singularity 75 times. 

Shotgun Expert (15 gamerscore points): 
Awarded after register 150 Shotgun Kills. 

Sentinal Ally (20 gamerscore points): 
Finish the majority of the game with the Alliance sentinel squad member. 

Search and Rescue (10 gamerscore points): 
Find Dr. T'Soni in the Artemis Tau cluster. 

Scholar (25 gamerscore points): 
Find all primary Alien: Extinct Races, Council Races, Non-Council Races 
codex entries. 

Sabotage Specialist (15 gamerscore points): 
Award if use Sabotage 75 times. 

Rich (25 gamerscore points): 
Accumulate at least 1,000,000 Credits. 

Renegade (15 gamerscore points): 
Earn 75% of total Renegade points. 

Quarian Ally (20 gamerscore points): 
Finish the majority of the game with the querian squad member. 

Power Gamer (20 gamerscore points): 
Reach 50th level with one character. 

Pistol Expert (10 gamerscore points): 
Awarded after register 150 Pistol Kills. 

Paramour (10 gamerscore points): 
Finish any romance subplot. 

Paragon (15 gamerscore points): 
Earn 75% of total Paragon points. 

Overlord Specialist (15 gamerscore points): 
Award if use Shield Overload 75 times. 

Neural Shock Specialist (15 gamerscore points): 
Award if use Neural Shock 75 times. 

Medal of Valor (50 gamerscore points): 
Finish 1 Mass Effect playthrough on the Insanity difficulty setting. 
Do not change the setting.. 

Medal of Honor (100 gamerscore points): 
Finish 1 Mass Effect Playthrough on any setting. 

Medal of Heroism (25 gamerscore points): 
Finish Feros. 

Medal of Exploration (50 gamerscore points): 
Land on an uncharted world. 

Long Service Medal (25 gamerscore points): 
Finish 2 Mass Effect Playthroughs on any setting. 

Lift Mastery (15 gamerscore points): 
Use biotic Lift 75 times. 

Krogan Ally (20 gamerscore points): 
Finish the majority of the game with the Krogan squad member. 

Honorarium of Corporate Service (25 gamerscore points): 
Finish Noveria. 

Geth Hunter (25 gamerscore points): 
Awarded after register 250 Synthetic enemy kills. 

First Aid Specialist (15 gamerscore points): 
Award if use medi-gel 150 times. 

Extreme Power Gamer (50 gamerscore points): 
Reach 60th level with one character. 

Dog of War (25 gamerscore points): 
Register 150 organic enemy kills. 

Distinguished Service Medal (25 gamerscore points): 
Finish Eden Prime. 

Distinguished Combat Medal (25 gamerscore points): 
Finish 1 Mass Effect playthrough on the Hardcore difficulty level.
Do not change the difficulty level. 

Damping Specialist (15 gamerscore points): 
Award if use Damping Field 75 times. 

Council Legion of Merit (25 gamerscore points): 
Finish Virmire. 

Completionist (25 gamerscore points): 
Finish the majority of the game. 

Charismatic (10 gamerscore points): 
Award if use Charm or Intimidate to resolve an impossible situation. 

Barrier Mastery (15 gamerscore points): 
Award if use biotic Barrier 75 times. 

Assault Rifle Expert (15 gamerscore points): 
Awarded after register 150 Assault Rifle Kills. 

Asari Ally (20 gamerscore points): 
Finish the majority of the game with the asari squad member. 

AI Hacking Specialist (15 gamerscore points): 
Award if use AI Hacking 75 times.