Scanned all available unique natural resources.

Solved all puzzles.

Learned of the mysterious code hidden in genes.

Used the shield to negate incoming damage that would have killed you otherwise.

Found the crashed remains of the Hermes.

Ignited multiple enemies with a single Flammable Liquid charge.

Found Mr. Jefferson.

Discovered Robinsons' transformation into the Alluvial King and had to kill him.

Crafted a weapon upgrade.

Collected all consumables.

Defeated the Alpha.

Investigated the area around Richard's backpack and figured out where he went.