Complete the game.
Complete all upgrades to the highest level.
Improve your stamina to level 2.
Upgrade the gas mask to level 4.
Upgrade the Geiger counter to level 2.
Improve the use of bandages to level 2.
Upgrade the flashlight to level 4.
Improve your food intake to level 2.
Crack a password.
Hack a server.
Make 5 bandages.
Cook 10 canned food.
Craft 5 calf wraps.
Fix a schematic.
Open a safe.
Take 10 iodine tablets.
Eat 10 cooked canned foods.
Pick 30 locks on boxes or doors.
Scan 30 drinks or cans with the geiger counter.
Drink 10 drinks.
Survive the first area.
Build a place to sleep.
Build a campfire.
Open a lock with a lock pick.