Here is the full list of all 41 Siege Survival: Gloria Victis achievements.
Win all battles of the whole scenario.
Complete the Scavenger scenario.
Reach 75 points of the the Bastion strength.
Craft a heavy armour using the upgraded Armoury.
Unlock Mikel as a playable character.
Finish the scenario without loosing any survivor.
Complete the main storyline in one of the following scenarios: Story, Quick start, or Explorer.
Keep the defence so firm, the relief forces completely smash the enemy.
Prepare for using the trebuchet by scoring 4 points in scouting before a battle.
Galvik survives and returns to the Bastion.
Use the trebuchet during a battle.
Reach 50 points of the the Bastion strength.
Craft a sword using the upgraded Armoury.
Unlock all the scavenge starting point during a single scenario.
During an enemy assault exceed their strength so much, they will flee from the battlefield.
Survive a fight during the nighttime scavenge.
Manage a party of 4 characters at once.
Unlock Jacob as a playable character.
Send out at least 2 characters to scout the enemy lines at night.
Defender unlocked scenario is now available for you to play
Scavenger unlocked scenario is now available for you to play
Survive the first 7 days of the invasion.
Complete trade with any merchant at night.
Unlock Rena as a playable character.
Join any new character to your group.
Collect all piles inside the castle.
Quick Start scenario is now available for you to play
Explorer scenario is now available for you to play
Build enough beds for all characters.
Complete the Defender scenario.
Complete the Survivalist scenario.
Kill an enemy guard at night.
Kill 3 enemy guards during a single night.
Unlock all available playable characters.
Unlock Gerard as a playable character.
Unlock Demetrius as a playable character.
Unlock Kimbra as a playable character.
Unlock Rose as a playable character.
Provide the soldiers with enough food that they get a boost
Find and collect all the treasure chests available in the whole scenario.
Survivalist unlocked scenario is now available for you to play