Finish the game on Insanity without changing difficulty after leaving Earth.
5.3%
Rare
Investigate a strange occurrence in the combat simulator.
5.8%
Rare
Score 9999 points in the combat simulator on Normal, Hardcore, or Insanity.
6.7%
Rare
Finish all multiplayer maps on Gold or all single-player missions on Insanity.
7.1%
Rare
Les bases de données, les classements et les noms des entrées sont en anglais : c'est ainsi qu'ils arrivent des sources — Steam, Twitch, les boutiques — et les traduire voudrait dire les réécrire, donc les inventer.
Complete all the Command Center side-missions on Omega.
7.8%
Rare
Kill 5,000 enemies.
10.5%
Rare
Win a prize at one of the arcade games.
11.1%
Rare
Overload the shields of 100 enemies.
11.2%
Rare
Attain the highest level of readiness in each theater of war.
13.9%
Rare
Promote a multiplayer character to the Galaxy at War or import an ME3 character.
13.9%
Rare
Upgrade any weapon to level 10.
14.1%
Rare
Hijack an Atlas mech.
14.2%
Rare
Use clues to pinpoint the exact location of an objective.
16.6%
Rare
Throw a party for your friends.
16.8%
Rare
Uncover an ancient secret.
17.8%
Rare
Stop an out-of-control scheme before it's too late.