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