Here is the full list of all 45 Scars Above achievements.
Crafted the first consumable.
Used the Mobile Printing Unit to craft the Thermic Charger.
Activated your first pillar.
Scanned a Knowledge Cube.
Caused an elemental reaction.
Scanned first natural resource.
Scanned the first hostile creature.
Weathered the mysterious storm.
Discovered the Metahedron vista.
VERA assembled.
Investigated the area around Richard's backpack and figured out where he went.
Reached the Grassy Plains.
Found the crashed remains of the Hermes.
Found Mr. Jefferson.
Learned of the mysterious code hidden in genes.
Learned of Kate's special status.
Discovered Naya's fate.
Completed the game.
Activated 5 pillars.
Activated all pillars.
Unlocked the first ability.
Unlocked a tier 4 ability.
Unlocked all abilities.
Scanned all available unique natural resources.
Scanned all hostile creatures.
Solved the Alien Console puzzle.
Solved all puzzles.
Crafted all weapons.
Crafted a weapon upgrade.
Crafted a weapon upgrade for all weapons.
Crafted the first gadget.
Crafted all gadgets.
Crafted all consumables.
Defeated the Alpha.
Discovered Robinsons' transformation into the Alluvial King and had to kill him.
Defeated the Construct.
Defeated the Feliform Cadaver.
Defeated the Neuro-parasite.
Defeated the Omega and the Custodian.
Ignited multiple enemies with a single Flammable Liquid charge.
Kept an enemy within the Gravity Trap for its whole duration.
Used the shield to deflect incoming damage that would have killed you.
Killed an enemy while it was affected by the Holo-lure.
Killed an enemy while it was in the frozen state.
Used the pulse scan to reveal an enemy weak point.