Successfully complete a party member's Loyalty mission.
Amusing surveying responses
Go to the Local Cluster, and survey Uranus. Instead of the usual "Probe Launched" response, the voice will instead make Uranus jokes such as "Probing Uranus" or "Really Commander?"
Anomalies
Scan the indicated planet to find anomalies (side quests).
Nebula
Cluster
Planet
Caleston Rift
Solveig
Sinmara
Caleston Rift
Talava
Taitus
Crescent Nebula
Lusarn
Tarith
Crescent Nebula
Zelene
Helyme
Eagle Nebula
Amun
Neith
Eagle Nebula
Strabo
Jarrahe Station
Hades Nexus
Sheol
Gei Hin
HourGlass Nebula
Faryar
Daratar
HourGlass Nebula
Ploitari
Zanethu
Minos Wasteland
Fortis
Aequitas
Omega Nebula
Ariniarkan
MSV Strontium Mule
Omega Nebula
Fathar
Lorek
Pylos Nebula
Dirada
Canalus
Pylos Nebula
Nariph
MSV Broken Arrow
Rosetta Nebula
Enoch
Joab
The Shrike Nebula
Xe Cha
Zada Ban
Sigurd's Cradle
Decoris
Sanctum
Sigurd's Cradle
Skepsis
Franklin
Titan Nebula
Haskins
Capek
Armor pieces
The following armor pieces will appear for purchase after certain points in the game.
Helmets
N7 Helmet: +5% health.
N7 Breather Helmet: +5% health.
Kuwashii Visor: +10% headshot damage; at Omega.
Death Mask: +10% negotiation bonus; at Tuchanka.
Umbra Visor: +5% power damage; requires linking Dr. Pepper bonus code to EA account.
Recon Hood: +5% weapon damage; requires linking Dr. Pepper bonus code to EA account.
Sentry Interface: +5% shield strength; requires linking Dr. Pepper bonus code to EA account.
Chest
N7 Chestplate: +5% power damage.
Capacitor Chestplate : -10%shields regeneration delay; at Citadel, Omega, or Illium.
Aegis Vest: +5% health; at Citadel.
Shield Harness : +5% shields; at Tuchanka.
Shoulders
N7 Shoulder Guards: +3% weapon damage.
Amplifier Plates : +5% power damage; at Illium.
Strength Boost Pads: +25% melee damage; at Omega.
Asymmetric Defense Layer: +5% health; at Tuchanka.
Arms
N7 Gauntlets: +3% health.
Heavy Damping Gauntlets: +5% shields ; at Tuchanka.
Off-Hand Ammo Pack: +10% spare ammo capacity; at Citadel.
Stabilization Gauntlets: +5% weapon damage; at Omega.
Legs
N7 Greaves: +3% shield strength.
Stimulator Conduits: +10% storm speed; at Omega.
Life Support Webbing: +10% health; at Citadel.
Ordinance Packs: +10% spare heavy weapon ammo; at Omega.
Space Hamster is available on Illium. Once you go into your cabin and select him, he will come out and do the same "Squeek" that Boo did, who was Minsc's "Intergalactic Space Hamster" from Baldur's Gate and Baldur's Gate 2.
Comedic surveying responses
Go to the Local Cluster and proceed to survey Uranus. Instead of the usual "Probe Launched," the voice will instead make Uranus jokes such as "Probing Uranus" or "Really Commander?"
Completion bonuses
Successfully complete the game. Then, start a new game with the cleared saved game file to start with the following bonuses: choose Loyalty Bonus Skill at the start; retain Skill Points from first playthrough; retain level and experience points from first playthrough; +25% experience bonus for all characters; 200,000 credits, 50,000 of each resource; Renegade and Paragon points reset to neutral; and your weapons and armor (but no upgrades) from first playthrough.
Dr. Pepper bonuses
Use the following procedure to get the bonus Dr. Pepper items. Go to http://www.drpepper.com/promotions/ea/signin/ and register an account. Note: You can register three different accounts to redeem three different codes and get each item. After creating an account enter one of the following redemption codes, selecting the "No Purchase" option.
Select the "Redeem" button to see a login for a EA Account. Log in with your EA account information that is linked to Mass Effect 2. Select Mass Effect 2 from the game list and select the desired bonus item. Repeat the steps with a new drpepper.com account to get the other items.
Easy materials
To find some easy mining planets, go to the Micah system in the Vallhallan Threshold, and look for the three planets hidden in the asteroids. They are all "Rich" planets with a lot of materials on them to help with your upgrades.
Easy Paragon and Renegade points
Throughout the game you will unlock training to redistribute your skill points. Talent Mastery adds a certain percentage to your Paragon/Renegade. Respec and distribute them into your Mastery repeatedly until your Paragon and Renegade are full.
The game shop at The Citadel is a reference to a GameStop store.
Legion: Dance
Approach Legion in his quarters. Highlight him, but do not talk to him and he will eventually do the "Robot" dance.
Legion: Unusual dialog
Take Legion to the Citadel. Talk to Anderson and the customs officer.
Take Legion to the migrate fleet on Tali's Loyalty mission. Security will force you to remove him unless you can persuade them otherwise.
Take Legoin to recruit Tali. She will try to shoot him.
Loyalty mission bonuses
Successfully complete a party member's Loyalty mission to unlock their individuals skills for Shepard, alternate costumes, and increase the chance for surviving the suicide mission. Note: Complete the Advanced Training research upgrade for your ship to be able to select the skills.
Have a saved game file from the original Mass Effect on your hard drive, and use that profile in Mass Effect 2 to get the following bonuses: experience points based on your previous level; resources for weapon and armor upgrades; and Paragon and Renegade points (including a bonus if you have the maximum amount of either Paragon or Renegade points).
Rapid fire M-920 Cain
Fire the M-920 Cain and keep [Fire] held while pressing [Reload] after each shot. The shots will keep firing during the previous shots' explosions.
Recruiting Tali: Sunlight exposure
While recruiting Tali on Haestrom, direct sunlight will damage you and your squad's shields and Biotic barriers. Because Grunt uses armor, he is unaffected by the sunlight and does not suffer weakened defenses while directly exposed.
Rich planets
To find easy mining planets, go to the Micah system in the Vallhallan Threshold. Look for the three planets hidden in the asteroids. They are all "Rich" planets with a lot of materials to help with upgrades.
Yeoman Kelly Chambers: Romance
Talk with Yeoman Kelly Chambers often and select the kind responses. Invite her to dinner when you get that option. Do not let Kelly die during the final mission and select a loyal escort for the crew in the final scene. After completing the game, talk to Kelly. You will get an email from her. Go to your quarters and invite her up using your console.
