Harvest some leather.

Punch a tree until the block of wood pops out.

Construct a better pickaxe.

Use planks and sticks to make a pickaxe.

Equip an armor for the first time.

Reach the exfil chopper with 1:30 remaining on the clock in Regular or Hardcore difficulty.

Make it to the cabin in Regular or Hardcore difficulty.

Unlock Black Cat (Single Player)

Complete Level 4 - Rock up at the Lock up

Destroy a Block using Uppercut

Defeat an arena without taking any damage

Become a Luchador

Complete Level 3 - Exploratory Laboratory