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 Wrath of Nemesis On Legendary Difficulty.
Complete Pax Romanum On Legendary Difficulty.
Complete Edge Of The World Legendary Any Difficulty.
Get In Combat With All Executions And Upgrades Purchased.
Complete The King On Legendary Difficulty.
Complete Trial By Fire On Legendary Difficulty.
Kill An Enemy By Perfectly Deflecting An Arrow.
Collect All The Scrolls.
Complete S.P.Q.R. On Legendary Difficulty.
Complete The Beginning On Legendary Difficulty.
Collect All The Vistas.
Collect All The Chronicles.
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.
Complete The Game On Centurion 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.
Complete Trial By Fire On Any Difficulty.
Complete A Comic Book By Collecting 6 Chronicles In A Level.
Complete S.P.Q.R. On Any Difficulty.
Collect One Chronicle.
Collect One Scroll.
Collect Your First Vista.
Find Your Mother And Sister.
Achieve Rank 200 In Multiplayer.
Equip Your First Tier 6 Item In Multiplayer.
Achieve Rank 150 In Multiplayer.
Achieve Rank 100 In Multiplayer.
Equip Your First Tier 5 Item In Multiplayer.
Complete The Beginning On Any Difficulty.
Meet Nero.
Defeat 25 Enemies In A Row Without Sustaining Damage.
Perform 1000 Executions In Multiplayer.
Fight On Each Multiplayer Arena Environment.
Perform 50 Double Executions In Any Game Mode.
Unlock All The Rewards Of The Gods.
Perform 30 Environmental Executions In Forbidden Forest.
Survive For 7 Minutes In Courtyard (Survival Mode).
Survive For 7 Minutes In Firestorm (Survival Mode).
Equip Your First Rare Item In Multiplayer.
Complete 20 Multiplayer Campaigns.
Perform 30 Environmental Executions On Island.
Play A Round Of Survival On Island.
Survive For 7 Minutes In Dockyard (Survival Mode).
Complete False Gods.
Complete Beacon.
Equip Your First Tier 2 Item In Multiplayer.
Complete Invictus.
Unlock The First Reward Of The Gods.
Perform 100 Executions In Any Game Mode.
Play A Round Of Survival Mode.
Use An Execution To Set Fire To An Enemy.
Complete Barbarous.
Purchase And Use An Upgrade In Combat.
Complete Your First Multiplayer Campaign.
Defeat 100 Enemies In Multiplayer.
Perform A Co-op Execution.
Use A Trap To Kill An Enemy.
Revive Another Player 3 Times.
Defeat 10 Enemies In A Row Without Sustaining Any Damage.
Perform Your First Environmental Execution.
Perform Your First Combat Execution.