Here is the full list of all 77 Dead Age achievements.
Unlock the early ending in the desert.
Mary reaches camp alive.
Complete the game in love with Lydia.
Unlock the bare minimum success ending.
Rescue 10 civilians.
Defeat 10 undead soldiers.
Defeat 10 undead scavengers.
Defeate 10 undead punks.
Defeate 3 undead punks.
Defeat 3 undead scavengers.
Defeat 10 undead cowboys.
Defeat 10 scientists.
Defeat 3 undead cowboys.
Defeat 3 scientists.
Survivor Terence
Defeat 10 German Shepherds.
Survived until day 33.
Defeat 10 infected patients.
Rescue 6 civilians.
Sharon reaches camp alive.
Defeat 3 infected patients.
Defeat 10 undead civilians.
Defeat 3 undead civilians.
Mason reaches camp alive.
Survived until day 20.
Defeat 3 German Shepherds.
Defeat 10 punks.
James reaches camp alive.
Defeat 3 undead soldiers.
Defeat 3 bosses.
Defeat 3 soldiers.
Defeat 10 undead cops.
Survive 10 encounters in which attackers approach in waves.
Rescue 3 civilians.
Accept three trade deals made by the hungry family.
Defeat 10 undead prisoners.
Defeat 10 scavengers.
Defeat 3 undead cops.
Defeat 10 Ragers.
Defeat 3 undead prisoners.
Defeat 10 Wolves.
Craft six items.
Lydia reaches camp alive.
Defeat 3 Ragers.
Defeat 3 Wolves.
Buy six objects at the shop.
Buy three things at the shop.
Craft three items.
Liz reaches camp alive.
Survive 3 encounters in which attackers approach in waves.
Jamal reaches camp alive.
Defeat 10 suits.
Defeat 10 Cheerleader.
Defeat 3 scavengers.
Defeat 10 Bitten Pedestrians.
Craft an item.
Make a purchase at the shop.
Defeat 3 suits.
Defeat 3 Cheerleader.
Defeat 3 Bitten Pedestrians.
Jennifer reaches camp alive.
Defeat 3 punks.
Unlock the early ending on day 20.
Survive for 10 or more days.
Bill reaches camp alive.
Survive for 3 or more days.
Hank reaches camp alive.
Accept six trade offers made by the hungry family.
Turn down three offers made by the hungry family.
Larissa reaches camp alive.
Unlock the ending in which you fail to reach the bunker.
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.
Defeat 10 soldiers.