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