Unlock the following bonuses by performing the corresponding tasks. The bonuses will become unlocked the next time a new game is started:
BONUS - HOW TO UNLOCK
+10% Damage Reduction - Complete the "Soldier Ally" achievement.
+10% Damping and Overload reduced cooldown - Have 75% game completion with Garrus in your squad.
+10% Experience - Reach level 60.
+10% Hardening - Have 75% game completion with Ashley in your squad.
+10% Health - Kill 150 Organic enemies.
+10% Lift and Throw reduced cooldown - Have 75% game completion with Kaiden in your squad.
+10% Sabotage and AI Hacking reduced cooldown - Have 75% game completion with Tali in your squad.
+10% Shield - Kill 250 Synthetic enemies.
+10% Shield Strength - Complete the game with shield damage greater than health damage.
+10% Stasis and Barrier reduced cooldown - Have 75% game completion with Liara in your squad.
+25% Marksman reduced cooldown - Get 150 kills with the pistol.
+5% Experience - Reach level 50.
+5% Weapon Damage - Complete the game twice.
Assault Rifle skill for new characters - Get 150 kills with the assault rifle.
Barrier skill for new characters - Use Barrier 75 times.
Decryption skill for new characters - Use Sabotage 75 times.
Electronics skill for new characters - Use Overload 75 times.
First Aid skill for new characters - Use Medi-gel 150 times.
Hacking skill for new characters - Use AI Hacking 75 times.
Medicine Skill for new characters - Use Neural Hacking 75 times.
Stasis skill for new characters - Use Stasis 75 times.
Throw skill for new characters - Use Throw 75 times.
Warp skill for new characters - Use Warp 75 times.
Hardcore difficulty - Complete the game.
Insane difficulty - Complete the game on the Hardcore difficulty.
Level 60 level cap - Complete the game.
Lift skill (for non-Biotics) - Use Lift 75 times.
Prestige Class - Reach level 34.
Regenerate 1 health per second - Have a 75% game completion with Wrex in your squad.
Shielding skill for new characters - Use Dampening 75 times.
Shotgun skill for new characters - Get 150 kills with the shotgun.
Singularity skill for new characters - Use "Singularity" 75 times.
Sniper Rifle skill for new characters - Get 150 kills with the sniper rifle.
Spectre grade weapons for purchase - Get 1 million credits. The weapons can be purchased through the Normandy and C-Sec Requisitions Officers.
Hades Gamma Cluster hidden missions:
Get 75% Renegade to play the hidden mission in the Plutus system of the Hades Gamma Clusteret. To play the mission the Cacus system, get 75% Paragon
To gain unlimited credits, first complete the side quest with Dr. Michel and her blackmailer to get a discount from the goods she sells. Sell her all of your expensive equipment. Then, go to the Wards Markets and buy your items back from the merchant name Expat for cheaper. Repeat as desired.
Unlimited Paragon and Renegade Points:
To gain unlimited Paragon and Renegade points, when you get to the part of the game where Lorik Quinn is going to testify against Anoleis, speak to Lorik Quinn and convince him to testify. This will give you twenty-five Renegade poionts. Then, walk away from him, return to him, and ask him something unrelated to the case. You'll then be given the option to "Answer another question", at which point you'll be able to convince him to testify again, for another twenty-five Renegade points. Repeat as desired.
To gain unlimited Experience, at the freighter on Feros in the Zhu's Hope Colony, there is a computer terminal that, when decrypted, will alert you to investigate supply shipments that have diverted course in the Voyager Cluster. If you then save your game, and subsequently reload it, you'll be able to decrypt the computer again for the same information you just got. This is a slow process, but gives you access to infinite experience points.
If you want to repair the Mako without wasting Omni-Gel doing so, press SQUARE and opt to return to the Normandy. You'll be reinserted in a specific place when you decide to go back to the planet in question, but your Mako will be fully repaired for reinsertion.
Extra experience from battles:
To earn extra experience whhen in battle, get out of the Mako for the final hit. You only get 60% experience if you kill enemies in the Mako.
Adepts are biotic specialists. They start out equipped with pistols and light armor. Their upgradeable implants give them biotic powers. The powers can be used to lift or throw objects, shield the party, and disable or destroy enemies.
Using the holographic OmniTool, they can heal their party, disrupt enemy weapons or shields, decrypt security systems, and repair or modify technical equipment. They can unlock the ability to reverse enemy engineer technology and wear light armor.
Infiltrators specialize in killing or disabling enemies at long range. They are trained to use OmniTools, but focus on decryption and offensive abilities. They can learn to wear medium armor and train with pistols or sniper rifles.
Sentinels use biotic abilities and advanced healing skills to defend allies. They can only use light armor and can not receive advanced weapon training.
Soldiers start out with pistol and assault rifle training and medium combat armor. They can unlock assault training, shotgun/sniper skills, heavy combat armor, and perform first aid.
Vanguards specialize in close range attack. They train with pistols and shotsguns, and can wear medium armor.
Experience from crew:
After completing a major plot, talk to your crew to receive experience points for clues and boost the crew's morale.
Scan the Keepers in Citadel:
The following are the locations of the Keepers:
In the hanger bay through C-Sec.
In the right-most room in the Presidium Wards Access corridor.
In the alleyway next to the market and Choras Den.
In the upper market area.
In the C-Sec Requisition Office.
In the Traffic Control Room in C-Sec.
Inside Flux, by the quasar machines in the back left.
To the right of the Med Clinic entrance.
At the C-Sec Academy entrance.
Four are inside Citadel Tower.
In the back room of the Emporium, turn left.
On the balcony of the Embassy lounge.
In the rectangular room at the right of the C-Sec HQ at the embassy.
Outside Citadel Tower to the left of Avina.
In the Volus/Elcor office at the Embassy.
Opposite of Avina, halway between the Consort Chambers and the Emporium.
Outside the entrance of the Consort Chambers.
Outside the Wards Access entrance, very close to the arguing Preaching Hana and C-Sec officer.
Signal tracking in Citadel:
The following are the locations that the Quasar Machine's signal traces to in order:
Wards Access Corridor
Starting at the Medical Clinic, go up the elevator toward the Presidium. Take the corridor to an area where people are talking. Look at the terminal on the wall.
At Volus' Office, behind Volus.
After exiting Volus' office, turn right and go past the Emporium Shopkeeper to a back hallway. Then, turn right again. You will encounter an A.I. that threatens to blow you and itself up. After the conversation, select the A.I., and input the following code to override: TRIANGLE, SQUARE, TRIANGLE, CIRCLE, SQUARE, CIRCLE, CIRCLE. Finish before it is done Siphoning off credit to get the credits.
ExoGeni PSI puzzle in "Feros":
In the ExoGeni facility, there is an objective where you have to add the correct amount of water presure to fill the gauge between the two arrows. After reaching the correct amount of water pressure enter 7, 11, 13, and then activate it to solve the puzzle.
Puzzle solution in "Noveria":
Perform the following steps to solve the puzzle after you enter the Core at Mira. 1=Upper most ring, 4=Lowest ring:
Move 1 to the middle.
Move 2 to the right.
Move 1 to the right on top of 2.
Move 3 to the middle.
Move 1 to the left.
Move 2 to the middle on top of 3.
Move 1 to the middle on top of 2.
Move 4 to the right.
Move 1 to the right.
Move 2 to the left.
Move 1 to the left on top of 2.
Move 3 to the right on top of 4.
Move 1 to the middle.
Move 2 to the right.
Move 1 to the right.
Giant worm in "Edolus" strategy:
You will encounter a large worm creature during the mission about the missing Marines. To defeat it, jump right before the projectile acid the worm spits. Meanwhile, attack it with missiles (R1) and constant gunfire (R2) and it will soon fall.
Thresher Maw in "Edolus" strategy:
To easily defeat the Thresher Maw, after it has initially launched out of the ground to drive off, stay at a relative distance and drive circles around it while firing. Due to your distance, it will not use its long-ranged attack or inflict melee damage. It will go back underground after a time or when certain amount of damage is inflicted and will change location where it pops up. Repeat the circular attack and you will get away undamaged.
Saren (before resurrection) strategies:
-Use your rifle while strafing to avoid his rocket fire.
-To defeat Sarren without fighting him the first time in the Citadel, if you have your Charm or Intimidation up all the way, use the new chat options. This will eventually make Sarren kill himself.
Saren (after resurrection) strategy:
Your crew and yourself should use biotic powers everytime Saren stops to shoot (usually when he is hanging on the wall). Only do it once when he stops, otherwise you are wasting abilities.
For a weapon that doesn't overheat, have a HMWA X assault rifle with Frictionless Materials, Combat Optics X, and Snowblind Rounds X as upgrades.
Recommended weapon upgrades:
-The following upgrades are the best for any gun: Frictionless Materials X (28% heat damping, +7% damage), Kinetic Coil X (28% weapon stability, +7% damage), and Slegdehammer Rounds X (50% weapons force, + 60% poison damage, - 20 heat damping). Overall, the weapons stats you will end up with are as follows: 14% damage, +28 weapon stability, +50% weapon force, +60 poison, +8% heat damping. The poison damage also prevents shield regeneration. Also, any of the following combo of any grade is the best.
-For the most powerful weapons in the game, use the following builds. For assault rifles, shotguns, and pistols, use Frictionless Materials, Scram Rail, and Inferno Rounds. Once you can get the "X" level equipment, these will be the most powerful weapons in the game. The combination should be used at any point you find these materials. For the sniper rifle, use two Frictionless Materials and High Explosive Rounds. The assault rifle will not overheat much at all, but for an assault rifle that doesn't overheat, you can use two Scram Rails and Snowblind Rounds. It is not as powerful as the first method, but nonetheless efficient.
Equip any decent sniper rifle (powerful and accurate) with High Explosive Rounds (highest level preferably). This combination will kill nearly every normal enemy you hit directly and severely damages enemies in their proximity, if not killing them as well. For fun, if you shoot the enemy's feet or the ground he is standing directly on top of, he will jettison into the air. Note: High Explosive Rounds work best only with sniper rifles since they are meant to kill with one shot. If it is used with a pistol, assault rifle, or shotgun, the weapon will overheat in around five shots (depending on the type of weapon), regardless of upgrades and decency of the gun. This will make yourself vulnerable to enemies.
Easy aiming hint:
To have an easier time hitting fast-moving enemies (such as Geth Hoppers and Geth Drones), open up the command wheel when engaging them in combat to pause the game. However, you will still be able to aim. Once you have aimed at a fast-moving enemy, exit the the command wheel. This will result in direct hits.
Saving weapon points hint:
If you are a Soldier, level up weapons to use their bonuses and no further. For example, Carnage is the shotgun's bonus. By doing this, you will have extra points for a desired weapon and points to level everything else completely out. You do not need the damage and accuracy bonus from the points as when you become a Spectre, the best of every weapon becomes unlocked for you in the Normandy or at the C-SEC requisitions office.
"Scholar" trophy codec locations:
This achievement requires that you locate information on all primary Alien:
Asari - Speak with Captain Anderson after the first meeting with the council.
Salarians - Speak with Captain Anderson after the first meeting with the council.
Turians - In the beginning of the game if you miss it, you can get it by speaking to people about Specters and Saran. Otherwise, it should appear after your first encounter with Ashley.
Rachni - Speak with the VI Avina near the Consort Chambers/Krogran Statue about the Rachni wars.
Protheans - Speak with Captain Anderson and Nihlus on the Normandy at the beginning of the game in the Communications Room. This is your only chance in the game to get this codec. If you miss it, you will not be able to recover it later in the game.
Batarians - After you become a Spectre, speak with Captain Anderson about his Spectre activities at the Docking Bay.
Elcor - Speak with the diplomat Calyn in the embassy. He is located at the end of the hallway to the right of the Embassy Clerk next to Udina's office.
Geth - While on the mission Eden Prime you will receive this codec automatically.
Hanar - Speak with the Hanar Shopkeeper at the Emporium.
Keepers - Speak with the VI Avina in the northwest part of the Presidium. She is very close to the Preaching Hanar and C-Sec Turian whom are arguing.
Krogan - You get this automatically by entering Choras Den. A scene will play showing the Krogran Wrex.
Quarians - Speak with Garrus in the medical center after fighting the thugs.
Volus - Talk to the VI Avina closest to the Embassy Clerk. You will get this by asking the VI why the Volus were the first race to get an embassy.
"First Aid Specialist" trophy hint:
Find a planet that has a Hazard level 1, then stand outside the Mako and repeatedly TRIANGLE. Make a note of how many times you pressed HEAL. If you do not pay attention and run out of Medi-Gel, you may die from the Hazard level.
Ally trophies hint:
To unlock all six ally achievements with only three playthroughs, when you start the game, focus on getting all six of your teammates. select two of them to play through the game with and keep those two until you complete the majority of the game. You will get the ally achievement for the teammate you recruited first. After getting it, replace that teammate with another one as soon as possible. After the next assignment you complete, you will then unlock the ally achievement for the second teammate.
Skill trophies hint:
The fastest way of gaining the skill achievements (Lift, Warp, Sabotage, etc.) is to stand outside the Mako and use it for a target. Do each skill with your current character 75 times to get the achievements for each one. However, two things must be noted. First off, Neuroshock does damage to the Mako. When you see it begin smoking, repair it. Second, AI Hacking does not apply at all here and you must actually hack 75 AIs or hack a few repeatedly before you must destroy them. The best way to get this one is to play the mission where you must go to the Earth's moon, or "Luna", and stop the AIs in the training facility. Save the game before you go into one of the bunkers and keep hacking them until you are finished, or reload and play again.
Easy credits in Quasar:
In Quasar, bet Y on odd and X on even for easy credits.
Finding all the elements:
The best way to find the elements, minerals, and anomalies on planets that you can explore is by driving along the edges of the operational area (the red area). Drive the Mako in a circle around the area to where you can hardly see the edge of the red line to find at least two elements/minerals on each planet that can be explored. There are rare things that will not show up on your map and you will also have to drive around like this to find them. There are a couple more items than you are required to find, but it is good to go ahead and get them if you need the experience points. Also, if you say the correct things to the Asari Consort, she will give you a trinket that allows you to activate a Prothean Orb found on Eletania, or the "monkey" planet, in the Hercules system. It contains the memories of a Cro-Magnon that was observed by the Protheans. The orb will show up as an anomaly on your map, in the lower left corner.
Save before talking to merchant for first time when looking for certain items or armor. The merchandise is random so, if you do not get anything you want, reload the game and talk to the merchant again. This trick can be used around three times whenever enough game time has elapsed for merchants to respawn new items.
Play as a War Hero Soldier first so that during your second play through, you will have all of the money, weapons, and armor to use for the other careers.
Star Wars: Knights Of The Old Republic 2 easter egg:
The first Spectre you meet, Nihlus, is a reference to Darth Nihlus in Star Wars: Knights Of The Old Republic 2. They even have the same face paint.
Star Wars: Knights Of The Old Republic easter eggs:
-The rift station where you fight theRachni is the same structure as the Selkath underwater base in Star Wars: Knights Of The Old Republic.
-The Thorian race refers to the Ithorians from Star Wars: Knights Of The Old Republic.
Reversed Earth glitch:
After landing on Luna, Earth's moon, look for the view of Earth. When you zoom in on Earth, noticed that its image is reversed. For example, Florida is where California should be and vice versa.
Pistol Expert - Register 150 Pistol Kills.
Shotgun Expert - Register 150 Shotgun Kills.
Assault Rifle Expert - Register 150 Assault Rifle Kills.
Sniper Expert - Register 150 Sniper Rifle Kills.
Lift Mastery - Use biotic Lift 75 times.
Throw Mastery - Use biotic Throw 75 times.
Warp Mastery - Use biotic Warp 75 times.
Singularity Mastery - Use biotic Singularity 75 times.
Barrier Mastery - Use biotic Barrier 75 times.
Stasis Mastery - Use biotic Stasis 75 times.
Damping Specialist - Use Damping Field 75 times.
AI Hacking Specialist - Use AI Hacking 75 times.
Overload Specialist - Use Shield Overload 75 times.
Sabotage Specialist - Use Sabotage 75 times.
First Aid Specialist - Use medi-gel 150 times.
Neural Shock Specialist - Use Neural Shock 75 times.
Dog of War - Register 150 organic enemy kills.
Geth Hunter - Register 250 synthetic enemy kills.
Soldier Ally - Complete the majority of the game with the Alliance soldier squad member.
Sentinel Ally - Complete the majority of the game with the Alliance sentinel squad member.
Krogan Ally - Complete the majority of the game with the krogan squad member.
Turian Ally - Complete the majority of the game with the turian squad member.
Quarian Ally - Complete the majority of the game with the quarian squad member.
Asari Ally - Complete the majority of the game with the asari squad member.
Power Gamer - Reach 50th level with one character.
Renegade - Accumulate 75% of total Renegade points.
Paragon - Accumulate 75% of total Paragon points.
Paramour - Complete any romance subplot.
Spectre Inductee - Become a Spectre.
Charismatic - Use Charm or Intimidate to resolve an impossible situation.
Search and Rescue - Locate Dr. T'soni in the Artemis Tau cluster.
Medal of Heroism - Complete Feros.
Distinguished Service Medal - Complete Eden Prime.
Council Legion of Merit - Complete Virmire.
Honorarium of Corporate Service - Complete Noveria.
Long Service Medal - Complete 2 Mass Effect Playthroughs on any setting.
Distinguished Combat Medal - Complete 1 Mass Effect playthrough on the Hardcore difficulty setting. Do not change the setting.
Scholar - Find all primary Alien: Council Races, Extinct Races and Non-Council Races codex entries.
Completionist - Complete the majority of the game.
Tactician - Complete playthrough with shield damage greater than health damage.
Medal of Exploration - Land on an uncharted world.
Rich - Exceed 1,000,000 Credits.
Extreme Power Gamer - Reach 60th level with one character.
Colonial Savior - Complete the Bring Down the Sky mission.
Medal of Honor - Complete 1 Mass Effect Playthrough on any setting.
Medal of Valor - Complete 1 Mass Effect playthrough on the Insanity difficulty setting. Do not change the setting.
N7 Elite - Earn all Bronze, Silver, and Gold trophies.