Play a multiplayer or co-op game at least 3 months after your first game.
Halo: Reach: Kill the Elite Zealot before he can escape during Tip of the Spear.
Halo: Reach: Observe the logo of a buttoned-up mining company.
Halo: Reach: Complete Nightfall.
Halo: Reach: Complete ONI: Sword Base.
Kill 100 Grunts.
Halo: Reach: Complete Winter Contingency.
Kill 100 enemies or players.
Halo: Reach: Find the hidden binary signature.
Complete a campaign mission or a match of multiplayer.
Duke and Damir stayed with the crew, Alyosha didn't get wounded.
Assumed command of the Order.
Passed the Research Facility without killing a Blind One on the DEAD CITY level.
Passed the putrid tunnel.
Completed the TAIGA level.
Alyosha is not wounded.
Made the Bear run away at the first encounter.
Melee-killed or stunned 50 enemies.
Attended the wedding on the SUMMER level.
Completed the CASPIAN level.
Damir stayed with crew.
Maps in the laboratory have been found.
Driven the Bukhanka.
Completed the YAMANTAU level.
Killed 90 cannibals.
Found a tune on the radio.
Completed the VOLGA level.
Duke survived.
The passenger train car has been found.
Driven the Trolley.
The Catfish has been killed.
Killed 30 enemies with Tikhar.
The guitar and teddy bear have been found on the VOLGA level.
Installed a modification of each category on a single weapon.
Spent 500 consumable resources on crafting.
Sailed a boat.
The locomotive has been named the Aurora.
Completed the MOSCOW level.
Patched the Gasmask.
Completed The Outer Worlds on any difficulty.
Killed an enemy that was hit with all 5 damage types.
Turned 100 enemies to ash with plasma damage.
Landed on Tartarus.
Completed all companion quests.
Recruited all of the companions.
Improved your gear 30 times through tinkering and mods.
Skipped the Hope.
Raised a skill to 100.
Starred in an Odeon Pictures movie.
Learned the shocking truth about the colony.