Here is the full list of all 77 Dead Age achievements.
Defeat 10 Ragers.
Defeat 10 scavengers.
Mason reaches camp alive.
Defeat 3 undead cops.
James reaches camp alive.
Defeat 3 soldiers.
Rescue 3 civilians.
Accept three trade deals made by the hungry family.
Jennifer reaches camp alive.
Larissa reaches camp alive.
Defeat 3 undead civilians.
Defeat 3 German Shepherds.
Defeat 3 undead prisoners.
Craft six items.
Survived until day 20.
Defeat 10 punks.
Defeat 3 punks.
Survive 10 encounters in which attackers approach in waves.
Mary reaches camp alive.
Defeat 3 Ragers.
Defeat 10 Wolves.
Make a purchase at the shop.
Survive 3 encounters in which attackers approach in waves.
Defeat 10 Cheerleader.
Defeat 10 suits.
Craft three items.
Defeat 3 scavengers.
Defeat 3 Cheerleader.
Survive for 10 or more days.
Defeat 3 Wolves.
Jamal reaches camp alive.
Defeat 3 suits.
Defeat 10 Bitten Pedestrians.
Liz reaches camp alive.
Survive for 3 or more days.
Craft an item.
Bill reaches camp alive.
Hank reaches camp alive.
Defeat 3 Bitten Pedestrians.
Survived until day 33.
Accept six trade offers made by the hungry family.
Turn down three offers made by the hungry family.
Rescue 6 civilians.
Rescue 10 civilians.
Buy three things at the shop.
Buy six objects at the shop.
Lydia reaches camp alive.
Sharon reaches camp alive.
Survivor Terence
Unlock the early ending on day 20.
Unlock the early ending in the desert.
Unlock the ending in which you fail to reach the bunker.
Unlock the bare minimum success ending.
Complete with game and defeat the punks.
Complete the game and save the world.
Complete the game without falling in love.
Complete the game in love with Jennifer.
Complete the game in love with Larissa.
Complete the game in love with Lydia.
Defeat 3 bosses.
Defeat 3 undead cowboys.
Defeat 10 undead cowboys.
Defeat 10 undead prisoners.
Defeat 3 infected patients.
Defeat 10 infected patients.
Defeat 3 undead scavengers.
Defeat 10 undead scavengers.
Defeat 10 undead cops.
Defeate 3 undead punks.
Defeate 10 undead punks.
Defeat 10 German Shepherds.
Defeat 10 soldiers.
Defeat 3 undead soldiers.
Defeat 10 undead soldiers.
Defeat 3 scientists.
Defeat 10 scientists.
Defeat 10 undead civilians.