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