Here is the full list of all 159 Gladiators Online: Death Before Dishonor achievements.
Own 2 Premium Gladiators of any Level
Gather 10 in-game friends
Gather 25 in-game friends
Unlock House Tier IV
Gather 5 in-game friends
Reach Bronze League Division 1
Own 7 regular Gladiators of any Level
Improve the Morale of 10 Gladiators by visiting a Courtesan in the Sanitarium
Replenish the Stamina of 20 Gladiators by visiting a Masseur in the Sanitarium
Restore 25 Gladiators to full health in the Sanitarium
Recruit 10 Friends into the game via Email recruitment
Score 10 Victories
Unlock House Tier III
Suffer the death in combat of 1 of your gladiators
Own 4 regular Gladiators of any Level
Unlock House Tier II
Successfully complete the in-game Tutorial
As a Hoplomachus, Hit your opponent 100 times
As a Hoplomachus, Hit your opponent 1000 times
As a Hoplomachus, Hit your opponent 2500 times
As a Murmillo, Block 200 attacks
As a Murmillo, Block 1000 attacks
As a Murmillo, Block 5000 attacks
As a Retiarius, dish out 50 Critical Hits
As a Retiarius, dish out 250 Critical Hits
As a Retiarius, dish out 1000 Critical Hits
As a Thraex, Counter Attack 50 times
As a Thraex, Counter Attack 250 times
As a Thraex, Counter Attack 1000 times
Unlock House Tier V
Unlock House Tier VI
Unlock House Tier VII
Unlock House Tier VIII
Unlock House Tier IX
Unlock House Tier X
Use the Extra Match Analysis Consumable 5 times
Use the Extra Match Analysis Consumable 25 times
Use the Extra Match Analysis Consumable 50 times
Enhance your Gladiator's Initiative with Diluted Jovian Elixier Consumable in 10 Fights
Enhance your Gladiator's Initiative with Refined Jovian Elixier Consumable in 50 Fights
Enhance your Gladiator's Initiative with Pure Jovian Elixier Consumable in 100 Fights
Increase your Hit Chance with Consumable Lightning Agaricus Mushrooms in 10 Fights
Increase your Hit Chance with Consumable Berserker Agaricus Mushrooms in 50 Fights
Increase your Hit Chance with Consumable Ultor Agaricus Mushrooms in 100 Fights
Boost your Crit Chance with Consumable Boar Testicles in 10 Fights
Boost your Crit Chance with Consumable Bear Testicles in 50 Fights
Boost your Crit Chance with Consumable Bull in 100 Fights
Improve your Damage using a Coarse Whetstone Consumable in 10 Fights
Improve your Damage using a Blue Whetstone Consumable in 50 Fights
Improve your Damage using a Coticule Whetstone Consumable in 100 Fights
Score 100 Victories
Score 500 Victories
Score 1000 Victories
Score 2500 Victories
Win 100 fights using a Hoplomachus
Win 200 fights using a Hoplomachus
Win 500 fights using a Hoplomachus
Win 100 fights using a Murmillo
Win 200 fights using a Murmillo
Win 500 fights using a Murmillo
Win 100 fights using a Retiaruis
Win 200 fights using a Retiaruis
Win 500 fights using a Retiaruis
Win 100 fights using a Thraex
Win 200 fights using a Thraex
Win 500 fights using a Thraex
Defeat 25 Murmillos using a Hoplomachus
Defeat 100 Murmillos using a Hoplomachus
Defeat 250 Murmillos using a Hoplomachus
Defeat 25 Retiarius' using a Hoplomachus
Defeat 100 Retiarius' using a Hoplomachus
Defeat 250 Retiarius' using a Hoplomachus
Defeat 25 Thraex' using a Hoplomachus
Defeat 100 Thraex' using a Hoplomachus
Defeat 250 Thraex' using a Hoplomachus
Defeat 25 Hoplomachus' using a Murmillo
Defeat 100 Hoplomachus' using a Murmillo
Defeat 250 Hoplomachus' using a Murmillo
Defeat 25 Retiarius' using a Murmillo
Defeat 100 Retiarius' using a Murmillo
Defeat 250 Retiarius' using a Murmillo
Defeat 25 Thraex' using a Murmillo
Defeat 100 Thraex' using a Murmillo
Defeat 250 Thraex' using a Murmillo
Defeat 25 Hoplomachus' using a Retiarius
Defeat 100 Hoplomachus' using a Retiarius
Defeat 250 Hoplomachus' using a Retiarius
Defeat 25 Murmillos using a Retiarius
Defeat 100 Murmillos using a Retiarius
Defeat 250 Murmillos using a Retiarius
Defeat 25 Thraex' using a Retiarius
Defeat 100 Thraex' using a Retiarius
Defeat 250 Thraex' using a Retiarius
Defeat 25 Hoplomachus' using a Thraex
Defeat 100 Hoplomachus' using a Thraex
Defeat 250 Hoplomachus' using a Thraex
Defeat 25 Murmillos using a Thraex
Defeat 100 Murmillos using a Thraex
Defeat 250 Murmillos using a Thraex
Defeat 25 Retiarius' using a Thraex
Defeat 100 Retiarius' using a Thraex
Defeat 250 Retiarius' using a Thraex
Win 25 fights with the surrender range set to 0%
Win 100 fights with the surrender range set to 0%
Win 250 fights with the surrender range set to 0%
Have one Standard Hoplomachus reach Level 10
Have one Premium Hoplomachus reach Level 10
Have one Standard Murmillo reach Level 10
Have one Premium Murmillo reach Level 10
Have one Standard Retiarius reach Level 10
Have one Premium Retiarius reach Level 10
Have one Standard Thraex reach Level 10
Have one Premium Thraex reach Level 10
Own 5 Premium Gladiators of any Level
Own 10 Premium Gladiators of any Level
Kill 5 Gladiators in PvP Combat level 2
Kill 25 Gladiators in PvP Combat level 5
Kill 50 Gladiators in PvP Combat level 8
Kill 100 Gladiators in PvP Combat level 10
Have a Gladiator win 5 consecutive fights without suffering a defeat
Have a Gladiator win 10 consecutive fights without suffering a defeat
Have a Gladiator win 20 consecutive fights without suffering a defeat
Recruit 3 Friends into the game via Email recruitment
Recruit 5 Friends into the game via Email recruitment
Amass 2500 loyal House fans
Amass 10000 loyal House fans
Amass 100000 loyal House fans
Reach Silver League Division 1
Reach Gold League Division 1
Kill 25 opponents using an Offensive Skill
Kill 100 opponents using an Offensive Skill
Kill 250 opponents using an Offensive Skill
Defeat 50 opponents using an Offensive Skill
Defeat 250 opponents using an Offensive Skill
Defeat 500 opponents using an Offensive Skill
Restore 250 Gladiators to full health in the Sanitarium
Restore 1000 Gladiators to full health in the Sanitarium
Restore 2500 Gladiators to full health in the Sanitarium
Improve the Morale of 100 Gladiators by visiting a Courtesan in the Sanitarium
Improve the Morale of 750 Gladiators by visiting a Courtesan in the Sanitarium
Improve the Morale of 2000 Gladiators by visiting a Courtesan in the Sanitarium
Replenish the Stamina of 200 Gladiators by visiting a Masseur in the Sanitarium
Replenish the Stamina of 500 Gladiators by visiting a Masseur in the Sanitarium
Replenish the Stamina of 1500 Gladiators by visiting a Masseur in the Sanitarium
Suffer the death in combat of 50 of your gladiators
Suffer the death in combat of 100 of your gladiators
Endure the execution by public demand of 10 of your gladiators
Endure the execution by public demand of 25 of your gladiators
Endure the execution by public demand of 50 of your gladiators
Claim 5 victories without wearing any type of Armor
Claim 50 victories without wearing any type of Armor
Claim 100 victories without wearing any type of Armor
Win 10 fights without investing even one Skill Point in your gladiator up to Level 4
Win 10 fights without investing even one Skill Point in your gladiator up to Level 6
Win 10 fights without investing even one Skill Point in your gladiator up to Level 8
Purchase 30 Gladiators Level 1 to 3 through Auctions at the Slave Market
Purchase 25 Gladiators Level 4 to 6 through Auctions at the Slave Market
Purchase 20 Gladiators Level 7 to 8 through Auctions at the Slave Market
Own 10 regular Gladiators of any Level