Here is the full list of all 50 Deadfall Adventures achievements.
Defeat Stein
Solve final puzzle at Arctic Caves level in alternate way and collect the special treasure
Wade through Arctic wastelands
Disable the crushing trap in Arctic Base level
Make your way through Sakkara's pyramid
Escape from gas trap inside the Sakkara's pyramid
Find the entrance to the pyramid
Finish the Adventure campaign
Create a picture with light at Ice Temple
Fight your path through Arctic Mines
Enter the Mayan tombs
Leave the Mayan undergrounds
Make your way through the Mayan City
Beat the guardian of Xibalba
Fight the final foe
Collect 5 unique treasures for Power of Light
Collect 10 unique treasures for Power of Life
Collect 15 unique treasures for Power of Warrior
Collect 50 unique treasures in Adventure mode
Kill 50 enemies using traps in Adventure mode
Kill 100 mummies in Adventure mode
Collect all treasure maps in Adventure mode
Kill 25 eniemies using dynamite in Adventure mode
Find a secret treasure at the very beginning of the game
Unlock the hidden treasure by moving carts and steering in Mines level
Explore the secret cave in Mayan Jungle
Use the elevator puzzle to reach the treasure in Mayan undergrounds
Drag a treasure from mummy's hands in Mayan City
Open the locker with treasure in Mayan Temple
Escape crom crusher trap in Xibalba
Solve sliding puzzle in Ice Temple
Achieve First Kill in a multiplayer match
Achieve Best Score in a multiplayer match
Achieve Best K/D score in a multiplayer match
Win a multiplayer match without dying
Collect 100 gold statues in Treasure Hunt game mode
Collect 50 silver statues in Treasure Hunt game mode
Kill players 100 times using traps
Unlock all weapons in multiplayer mode
Unlock all characters in multiplayer mode
Earn 200 blessings in Tresure Hunt game mode
Achieve all killing spree rewards in single match
Unlock all automatic upgrades for all weapons
Achieve highest multiplayer rank
Win 10 times in Last Man Standing game mode
Kill 10 different opponents in a Deathmatch
Finish a multiplayer match, using a self made Custom Class
Survive 100 enemy waves
Kill 5 players with a fire trap during one multiplayer match
Kill 500 Daru in survival mode