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