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