Full list of all 28 Don't Knock Twice achievements worth 1,000 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
Achievements they've won
Achievements they've not won
Complete the ending with restraint.
Complete the game without lighting any wall candles.
Complete the ending with aggression.
Find 100% of collectables in a single playthrough.
Find 100% of collectables.
Complete the Earth part of the pentagram.
Find all of the family photographs.
Destroy all of the Russian dolls.
Burn the whale.
Dunk the basketball.
Complete the Air part of the pentagram.
Complete the Spirit part of the pentagram.
Find 80% of collectables.
Complete the Fire part of the pentagram.
Destroy a door handle.
Find the axe.
Pot the black snooker ball.
Find 60% of collectables.
Destroy half of the Russian dolls.
Find the flamethrower.
Complete the Water part of the pentagram.
Read Jess' diary entries.
Find 40% of collectables.
Read Chloe's diary entries.
Cook the crow.
Feed the crow.
Light the candle.
Destroy a Russian doll.