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