Kill 50 Zombies
Drive the Buggy
Open your first world
Use a katana
Shoot a Gun
Place a painting
Burn 3 normal zombies with a molotov at once
Rescue the NPC companion
Light a light bulb with electricity
Use a Crafting Bench Level 2
Die for the first time
Make your first trade
Defeat the Mad Scientist in the Research Facility Cave
Chop 50 trees
Saddle 5 Horses