Here is the full list of all 41 Siege Survival: Gloria Victis achievements.
Win all battles of the whole scenario.
Find and collect all the treasure chests available in the whole scenario.
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.
Galvik survives and returns to the Bastion.
Craft a heavy armour using the upgraded Armoury.
Reach 75 points of the the Bastion strength.
Use the trebuchet during a battle.
Craft a sword using the upgraded Armoury.
Prepare for using the trebuchet by scoring 4 points in scouting before a battle.
Build enough beds for all characters.
Reach 50 points of the the Bastion strength.
Kill 3 enemy guards during a single night.
Complete trade with any merchant at night.
Kill an enemy guard at night.
Provide the soldiers with enough food that they get a boost
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.
Unlock Jacob as a playable character.
Send out at least 2 characters to scout the enemy lines at night.
Manage a party of 4 characters at once.
Unlock Rose as a playable character.
Scavenger unlocked scenario is now available for you to play
Defender unlocked scenario is now available for you to play
Survive the first 7 days of the invasion.
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
Complete the Scavenger scenario.
Complete the Defender scenario.
Complete the Survivalist scenario.
Unlock all available playable characters.
Unlock Gerard as a playable character.
Unlock Demetrius as a playable character.
Unlock Mikel as a playable character.
Unlock Kimbra as a playable character.
Survivalist unlocked scenario is now available for you to play