Here is the full list of all 41 Siege Survival: Gloria Victis achievements.
Find and collect all the treasure chests available in the whole scenario.
Complete the Scavenger scenario.
Use the trebuchet during a battle.
Prepare for using the trebuchet by scoring 4 points in scouting before a battle.
Unlock Gerard as a playable character.
Survivalist unlocked scenario is now available for you to play
Unlock Kimbra as a playable character.
Kill 3 enemy guards during a single night.
Unlock Rena as a playable character.
Unlock Mikel as a playable character.
Survive a fight during the nighttime scavenge.
Kill an enemy guard at night.
Unlock Demetrius as a playable character.
Unlock all available playable characters.
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.
Reach 50 points of the the Bastion strength.
Galvik survives and returns to the Bastion.
Craft a sword using the upgraded Armoury.
Unlock all the scavenge starting point during a single scenario.
Provide the soldiers with enough food that they get a boost
Craft a heavy armour using the upgraded Armoury.
Build enough beds for all characters.
Send out at least 2 characters to scout the enemy lines at night.
During an enemy assault exceed their strength so much, they will flee from the battlefield.
Manage a party of 4 characters at once.
Unlock Jacob as a playable character.
Join any new character to your group.
Unlock Rose as a playable character.
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.
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 Defender scenario.
Complete the Survivalist scenario.
Win all battles of the whole scenario.
Reach 75 points of the the Bastion strength.