Mass Effect 2 Cheats

22. Ghost Ship: Complete the investigation of a derelict alien vessel (25).
23. Suicide Mission: Use the Omega 4 Relay (50).
24. Mission Accomplished: Save humanity throughout the galaxy from certain annihilation (125).
25. Against All Odds: Survive suicide mission (15).
26. Insanity: Complete the game on the "Insanity" difficulty level without changing the setting (75).
27. No One Left Behind: Keep your team alive through the suicide mission (75).
28. Long Service Medal: Complete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1 (75).
29. Paramour: Successfully pursue a relationship with a teammate (50).
30. Head Hunter: Perform 30 headshot kills with any weapon on humanoid targets (10).
31. Brawler: Shoot and kill 20 enemies while they're knocked back by a punch (10).
32. Big Game Hunter: Thresher Maw defeated (10).
33. Tactician: Hit 20 different targets with multiple biotic powers to combine the effects (10).
34. Master at Arms: Kill enemies with 5 different heavy weapons during the game (15).
35. Merciless: Make 20 enemies scream as they fall or are set on fire (10).
36. Overload Specialist: Disrupt the shields of 25 enemies (15).
37. Warp Specialist: Warp the barriers of 25 enemies (15).
38. Incineration Specialist: Incinerate the armor of 25 enemies (15).
39. Operative: Complete a mission discovered by scanning an unexplored world (15).
40. Agent: Complete 5 missions discovered by scanning unexplored worlds (50).
41. Prospector: Retrieve mineral resources by scanning and probing a planet in the galaxy map (5).
42. Explorer: Visit 100% of the planets in an unexplored cluster (10).
43. Power Gamer: Reach Level 30 with one character (10).
44. Scholar: Unlock 15 new Mass Effect 2 codex entries (15).
45. Technician: Obtain 10 technology upgrades (15).
46. Weapon Specialist: Fully upgrade a weapon (15).
47. Scientist: Complete any research project in the Normandy's laboratory (10).
48. Fashionista: Personalize your armor in your quarters on the Normandy (5).
49. Power Full: Evolve any power (15).
50. Highly Trained: View all advanced combat training videos at Shepard's private terminal (15).

Unlocked Alternate Color Schemes and Loyalty Skills for Party Members
Complete the Loyalty missions each party member gives you to unlock their hidden Loyalty skills and alternate colors for their costumes

New Colors for Party Members: Complete a party member's loyalty mission.
Unlock Loyalty Skills: Complete the Loyalty missions for each of your party members to unlock their individuals skills.

Zaeed DLC Achievement
Complete the achievement to receive the gamerscore.

Revenge! (15): Gain the loyalty of the mercenary.

Kasumi - Stolen Memory Achievements
Complete each achievement to receive the allotted gamerscore.

Broken, Blind and Bedlam [15]: Gain the loyalty of the Thief

Kasumi Goto DLC Loyalty Achievement
The achievement for gaining the loyalty of the thief.
Broke, Blind and Bedlam (15): Gain the loyalty of the thief.

Overlord DLC Achievements
The two achievements earned from the Overlord DLC Pack
Data Hound (10): Collect 6 Cerberus data packets scattered across Aite
Digital Exorcist (15): Successfully shut down the rouge VI in Project Overlord

Mass Effect 2: Lair of the Shadow Broker Achievements
Catching Up (25): Reminisce with Liara on the Normandy
Detail Orientated (40): Use all information terminals in the Shadow Broker’s stronghold
Heart of Darkness (50): Confront the Shadow Broker
Most Dangerous Game (35): Defeat the Shadow Broker’s Assassin
The Hard Way (50): Complete the Shadow Broker Mission pack on Hardcore or Insanity

Cerberus Network DLC Achievement
Revenge! (15): Gain the loyalty of the mercenary

Achievements
Covert Action (25): Rescue Dr. Amanda Kenson without attracting hostile attention
Last Stand (25): Survive all five waves in the battle for Object Rho
The Ultimate Sacrifice (50): Complete the Arrival DLC pack

Bonus 25% Experience
Once you beat the game on any difficulty all characters will gain an additional 25% experience bonus.

Bonus 25% Experience: Beat the game on any difficulty

Infinite Paragon / Renegade
During the course of the game you unlock training to redistribute your skill points. Talent Mastery adds a certain percentage to your paragon / renegade. Respec and distribute into your mastery over and over until paragon and renegade are full.

Bonuses to All New Characters
All new characters, including imported ones, gain these bonuses after you have completed the game.

200k Credits: Start New Game after 1 Playthrough
50k of each Resource: Start New Game after 1 Playthrough
Bonus 25% Experience: Beat the game on any difficulty

Bonuses to Imported Mass Effect Characters
Characters imported from Mass Effect gain these bonuses based on its level.

100k Credits: Import a Mass Effect character with the Rich Achievement.
10k of each Resource: Import a level 60 Mass Effect character.
2k Experience Points: Import a level 50 Mass Effect character.
30k Credits: Import a level 50 Mass Effect character.
4k Experience Points: Import a level 60 Mass Effect character.
50k Credits: Import a level 60 Mass Effect character.
5k of each Resource: Import a level 50 Mass Effect character.
Start as a level 5: Import a level 60 Mass Effect character.

Bonus Skills for Shepard
After completing a character's loyalty mission, you can unlock a new skill for use by the main character. To pick or change which skill you are using, simply complete the "Advanced Training" research upgrade on your ship. On your first character, you will need to train to use these skills, but on every character made or imported after unlocking these skills you can pick them immediately upon creation.

Biotic Barrier: Complete Jacob's loyalty mission.
Geth Shield Boost: Complete Legion's loyalty mission.
Inferno Grenade: Complete Zaeed's loyalty mission.
Reave: Complete Samara's loyalty mission.
Shield Drain: Complete Tali's loyalty Mission.
Slam: Complete Miranda's loyalty mission.
Warp Ammo: Complete Jack's loyalty mission.