Full list of all 60 Remnant II achievements. It takes around 60-80 hours to unlock all of the achievements in the base game on Windows.
The base game contains 50 achievements, and there are 2 DLC packs containing 10 achievements.
Craft an Item at the Blood Moon Altar
Acquire 20 Melee Weapons
Acquire 30 Guns
Upgrade a Weapon Mutator to +10
Upgrade a Boss Weapon to +10
Upgrade a Standard Weapon to +20
Acquire 10 Melee Weapons
Defeat Many Faces
Discover Leto's Stash
Play a Secret Song on the Water Harp
Acquire 15 Guns
Defeat the Fae Imposter
Acquire 50,000 Scrap
Acquire the Max Number of Trait Points
Defeat the Ravager
Discover a Blood Moon Room
Defeat 100 Special Enemies
Defeat the Final Boss
Obtain 10 Traits
Obtain a Secret Archetype
Reach Level 10 on Any Archetype
Receive an Alignment Reading from Meidra
Acquire a World Boss's Alternate Reward
Defeat Guardian of N'Erud
Meet the Custodian
Upgrade a Boss Weapon to +5
Upgrade a Standard Weapon to +10
Meet the Flautist
Defeat the Labyrinth Boss
Defeat the Nightweaver
Upgrade Relic Capacity
Obtain an Item From the Nightweaver's Web
Craft a Boss Weapon
Defeat Tal'Ratha
Defeat a World Boss
Obtain a Non-Starter Trait
Meet Nimue
Slot a Second Archetype
Upgrade Any Trait to 10
Craft a Non-Starter Weapon Mod
Choose Your First Archetype
Defeat the Root Mantis
Listen to All of Mudtooth's Stories
Defeat 10 Aberrations
Defeat 25 Aberrations
Defeat a Boss in Single-Player Without Taking Any Damage
Acquire 20 traits
Acquire 100,000 Scrap
Acquire 10 Relics
Craft 15 Weapon Mods