Full list of all 76 Ryse: Son of Rome achievements worth 2,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements in the base game.
The base game contains 58 achievements worth 1,000 Gamerscore, and there are 4 DLC packs containing 18 achievements worth 1,000 Gamerscore.
Achieve Rank 100 In Multiplayer
Collect All The Chronicles
Equip Your First Tier 5 Item In Multiplayer
Collect All The Scrolls
Complete A Comic Book By Collecting 6 Chronicles In A Level
Complete The Son of Rome On Legendary Difficulty
Complete The Wrath of Nemesis On Legendary Difficulty
Collect All The Vistas
Complete Pax Romana On Legendary Difficulty
Complete Edge Of The World On Legendary Difficulty
Unlock All The Rewards Of The Gods
Complete The King On Legendary Difficulty
Get In Combat With All Executions And Upgrades Purchased
Complete Trial by Fire On Legendary Difficulty
Complete S. P. Q. R. On Legendary Difficulty
Fight On Each Multiplayer Arena Environment
Defeat 25 Enemies In A Row Without Sustaining Any Damage
Unlock The First Reward Of The Gods
Complete The Beginning On Legendary Difficulty
Replay Any Single-Player Level
Complete The Son Of Rome On Any Difficulty
Complete The Game On Any Difficulty
Complete The Game On Centurion Difficulty
Complete The Game On Soldier Difficulty
Defeat Boudica
Complete 20 Multiplayer Campaigns
Perform 50 Double Executions In Any Game Mode
Equip Your First Tier 2 Item In Multiplayer
Complete The Wrath Of Nemesis On Any Difficulty
Defeat Commodus
Become The Righteous Hand Of Vengeance
Complete Pax Romana On Any Difficulty
Find Out What Really Happened To Your Parents
Complete Edge Of The World On Any Difficulty
Defeat Glott
Equip Your First Rare Item In Multiplayer
Kill An Enemy By Perfectly Deflecting An Arrow
Complete The King On Any Difficulty
Meet Boudica
Perform A Co-op Execution
Defeat 100 Enemies In Multiplayer
Use An Execution To Set Fire To An Enemy
Revive Another Player 3 Times
Use A Trap To Kill An Enemy
Complete Trial By Fire On Any Difficulty
Perform 100 Executions In Any Game Mode
Complete S. P. Q. R. On Any Difficulty
Defeat 10 Enemies In A Row Without Sustaining Any Damage
Collect One Chronicle
Collect Your First Vista
Collect One Scroll
Find Your Mother And Sister
Complete The Beginning On Any Difficulty
Perform Your First Environmental Execution
Purchase And Use An Upgrade In Combat
Meet Nero
Perform Your First Combat Execution
Complete Your First Multiplayer Campaign
Equip Your First Tier 6 Item in Multiplayer
Survive For 7 Minutes in Courtyard (Survival Mode)
Survive For 7 Minutes in Firestorm (Survival Mode)
Play a Round of Survival Mode on Courtyard, Firestorm, or Dockyard
Survive For 7 Minutes in Dockyard (Survival Mode)
Play seven multiplayer games on Barbarous
Perform 30 Environmental Executions on Island
Play a Round of Survival on Island
Complete Invictus
Complete Barbarous
Perform 30 Environmental Executions in Forbidden Forest
Complete False Gods
Complete Beacon
Save the Emperor (finish chapter 1) and then kill him (finish chapter 8)
Complete 15 executions in a single multiplayer game
Achieve Rank 200 in Multiplayer
Perform 1000 Executions in Multiplayer
Achieve Rank 150 in Multiplayer