Here is the full list of all 50 ELEX achievements. It takes around 80-100 hours to unlock all of the achievements on Windows.
Completed ELEX.
Sided against the Hybrid.
Learned all Berserker skills.
Played 80 hours of Elex.
Picked 100 locks.
Completed - Showdown with Kallax.
Learned all survival skills.
Completed - Old Obligations.
Cracked 50 safes
Started a relationship.
Completed - Zardom's Battle Plan.
Completed - Tramp Confederacy.
Cold is 10 or lower.
Completed 300 missions.
Completed - Origin The Power of the Center.
Modified weapons 20 times
Killed 1000 monsters.
Earned 100,000 Elex shards.
Completed - Chaos of Emotions.E86
Reached level 20.
Killed 20 Albs.
Killed 50 people
Fallen to death 20 times.
Killed 20 bandits.
Killed 300 monsters.
Completed - The Claws.
Completed - Stolen Equipment.
Sealed the fate of Abessa City.
5 companions
50 successful pickpockets
Joined the Berserkers.
Earned 10,000 Elex shards.
Teleported 20 times
Earned 1000 Elex shards.
Killed 20 monsters.
Completed - Survival
First jet pack flight
Completed - Decaying Powers.
Joined the Clerics.
Joined the Outlaws.
Fed Mana to the Hybrid.
Served the Hybrid.
Learned all fighting skills.
Learned all dexterity skills.
Learned all character skills.
Learned all Outlaw skills.
Learned all Cleric skills.
Collected 20 pictures.
Cold value has reached 90
Found Calaan