Enter the cave for the first time.
Break your first boulder.
Defeat your first monster.
Take down your first tree for usable wood.
Defeat 5 monsters.
Defeat 10 monsters.
Make it through day one.
Reach the beach for the first time.
Cook a real meal over an open flame.
Set up a furnace and get the heat going.
Build a campfire to light up the night.
Craft a spike for defense.
Earn your first level-up.
Pick up your first coin.