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