Complete sequence 1
Complete sequence 2
Complete sequence 3
Complete sequence 4
Complete sequence 5
Complete sequence 6
Complete the final glitched memory.
Complete the game
Complete Present 1
Complete Present 2
Complete Present 3
Complete Present 4
Achieve 100% synchronization in all main missions
Capture All Gang HQs
Counter-Kill  Stalkers
Complete all renovations
Complete  Abstergo Challenges
Fully Upgrade the Morrigan
Loot  supply camps
Loot  ship convoys
Counter  smoke bombs successfully using a gas mask
Repair all computers in Abstergo Entertainment
Visit every location in the game
Get the Native Armor
Get the Templar Armor
Complete 17 story missions in the Naval Campaign
Collect all Animus fragments
Complete every activity in a single location.
Capture all Forts
Capture all settlements
All legendary Battles Completed
Destroy 100 Ice Bergs
Break through 500 meters of Ice Sheets
Free 300 British PoW's
Harpoon a Narwhal
Survive a Reverse-Boarding
Counter  air surprise attacks
Complete all Native hills and Ice Caves
Complete an Outpost without getting detected
Hit 5 enemies with the berserk grenade (at the same time)
Put 5 enemies to sleep with the sleep grenade (at the same time)
Complete all assassin interceptions
Sink 10 ships in North Atlantic without dying while only the HUNTED cheat is active.
Sink 10 ships in North Atlantic without dying while only the ENDURANCE cheat is active.
Take over 10 large supply camps while only the VETERANS cheat is active.
Kill 30 guards without dying while only the ENDURANCE cheat is active.