Complete the game on "Easy" or higher difficulty.
Complete the game on "Medium" or higher difficulty.
Complete the game on "Hard" difficulty.
Collect all the documents scattered in an area.
Collect all the documents scattered along your journey.
Collect a toy.
Collect 10 toys.
Collect all toys along your journey.
Collect a mixtape.
Collect all mixtapes along your journey.
Unlock your first Concept Art in the Extra Menu.
Unlock all Concept Art in the Extra Menu.
Unlock your first 3D Model in the Extra Menu.
Unlock all 3D Models in the Extra Menu.
Open your first briefcase.
Open all briefcases along your journey.
Your first death due to making too much noise.
Successfully resist an asthma attack.
Use 30 inhalers.
Use 15 flares.
Completely empty 20 sandbags.
Break 25 bottles.
Complete the area where Mark died in "The Forest" in under 1:45 minutes.
Collect the plank and leave the house garden in "The Forest" in under 3:30 minutes.
Leave the parking lot at "The Campsite" in under 7:00 minutes.
Cross the train over the bridge in "The Trainwreck" in under 6:30 minutes.
Deactivate the pumps and reach the sewer in "The Pump Station" in under 7:00 minutes.
Turn the power back on and leave the warehouse in "The Harbor" in under 3:15 minutes.
Leave the shipyard in "The Harbor" in under 2:15 minutes.
After activating the sprinklers, exit the pool in "The Fire Station" in under 7:00 minutes.
Reach the boat in "The Fire Station" in under 2:15 minutes.
Throw a bottle at each of the four large animal statues in the garden of the forest house.
Drop the two buckets from the porch in "The Campsite."
Scare away all the flocks of birds in "The Trainwreck."