Here is the full list of all 73 Ryse: Son of Rome achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Complete The Son Of Rome On Legendary Difficulty.
Complete The Game On Centurion Difficulty.
Complete The Wrath of Nemesis On Legendary Difficulty.
Complete Pax Romanum On Legendary Difficulty.
Complete Edge Of The World Legendary Any Difficulty.
Fight On Each Multiplayer Arena Environment.
Complete The King On Legendary Difficulty.
Complete Trial By Fire On Legendary Difficulty.
Complete Barbarous.
Complete Invictus.
Defeat 25 Enemies In A Row Without Sustaining Damage.
Complete 20 Multiplayer Campaigns.
Complete False Gods.
Complete S.P.Q.R. On Legendary Difficulty.
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 Soldier Difficulty.
Defeat Boudica.
Complete The Wrath Of Nemesis On Any Difficulty.
Defeat Commodus.
Become The Righteous Hand Of Vengeance.
Complete Pax Romanum On Any Difficulty.
Find Out What Really Happened To Your Parents.
Complete Edge Of The World On Any Difficulty.
Defeat Glott.
Complete The King On Any Difficulty.
Meet Boudica.
Collect One Chronicle.
Complete Trial By Fire On Any Difficulty.
Kill An Enemy By Perfectly Deflecting An Arrow.
Collect Your First Vista.
Complete S.P.Q.R. On Any Difficulty.
Equip Your First Tier 2 Item In Multiplayer.
Unlock The First Reward Of The Gods.
Use An Execution To Set Fire To An Enemy.
Complete Beacon.
Perform 100 Executions In Any Game Mode.
Perform A Co-op Execution.
Collect One Scroll.
Find Your Mother And Sister.
Complete The Beginning On Any Difficulty.
Meet Nero.
Revive Another Player 3 Times.
Defeat 100 Enemies In Multiplayer.
Perform Your First Environmental Execution.
Purchase And Use An Upgrade In Combat.
Play A Round Of Survival On Island.
Play A Round Of Survival Mode.
Use A Trap To Kill An Enemy.
Defeat 10 Enemies In A Row Without Sustaining Any Damage.
Perform Your First Combat Execution.
Complete Your First Multiplayer Campaign.
Perform 50 Double Executions In Any Game Mode.
Collect All The Vistas.
Collect All The Scrolls.
Collect All The Chronicles.
Complete A Comic Book By Collecting 6 Chronicles In A Level.
Get In Combat With All Executions And Upgrades Purchased.
Achieve Rank 100 In Multiplayer.
Unlock All The Rewards Of The Gods.
Equip Your First Rare Item In Multiplayer.
Equip Your First Tier 5 Item In Multiplayer.
Equip Your First Tier 6 Item In Multiplayer.
Survive For 7 Minutes In Courtyard (Survival Mode).
Survive For 7 Minutes In Firestorm (Survival Mode).
Survive For 7 Minutes In Dockyard (Survival Mode).
Achieve Rank 150 In Multiplayer.
Perform 30 Environmental Executions On Island.
Perform 30 Environmental Executions In Forbidden Forest.
Achieve Rank 200 In Multiplayer.
Perform 1000 Executions In Multiplayer.