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