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