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