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.
Kill An Enemy By Perfectly Deflecting An Arrow.
Collect All The Vistas.
Get In Combat With All Executions And Upgrades Purchased.
Collect All The Chronicles.
Collect All The Scrolls.
Complete The Wrath of Nemesis On Legendary Difficulty.
Complete Pax Romanum On Legendary Difficulty.
Use An Execution To Set Fire To An Enemy.
Complete Edge Of The World Legendary Any Difficulty.
Complete The King On Legendary Difficulty.
Complete Trial By Fire On Legendary Difficulty.
Complete A Comic Book By Collecting 6 Chronicles In A Level.
Complete S.P.Q.R. On Legendary Difficulty.
Complete The Beginning On Legendary Difficulty.
Replay Any Single Player Level.
Complete The Game on Any Difficulty.
Complete The Game On Soldier Difficulty.
Complete The Game On Centurion Difficulty.
Complete The Son Of Rome On Any 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.
Complete S.P.Q.R. On Any Difficulty.
Collect One Scroll.
Collect Your First Vista.
Complete Beacon.
Complete Invictus.
Perform A Co-op Execution.
Complete Barbarous.
Perform 100 Executions In Any Game Mode.
Defeat 100 Enemies In Multiplayer.
Complete Your First Multiplayer Campaign.
Revive Another Player 3 Times.
Defeat 10 Enemies In A Row Without Sustaining Any Damage.
Use A Trap To Kill An Enemy.
Find Your Mother And Sister.
Complete The Beginning On Any Difficulty.
Purchase And Use An Upgrade In Combat.
Meet Nero.
Perform Your First Environmental Execution.
Perform Your First Combat Execution.
Perform 50 Double Executions In Any Game Mode.
Defeat 25 Enemies In A Row Without Sustaining Damage.
Complete 20 Multiplayer Campaigns.
Fight On Each Multiplayer Arena Environment.
Achieve Rank 100 In Multiplayer.
Unlock The First Reward Of The Gods.
Unlock All The Rewards Of The Gods.
Equip Your First Rare Item In Multiplayer.
Equip Your First Tier 2 Item In Multiplayer.
Equip Your First Tier 5 Item In Multiplayer.
Play A Round Of Survival Mode.
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.
Play A Round Of Survival On Island.
Complete False Gods.
Perform 30 Environmental Executions In Forbidden Forest.
Achieve Rank 200 In Multiplayer.
Perform 1000 Executions In Multiplayer.