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.
Complete the ending with aggression.
Destroy half of the Russian dolls.
Burn the whale.
Complete the Earth part of the pentagram.
Find all of the family photographs.
Find 80% of collectables.
Cook the crow.
Feed the crow.
Dunk the basketball.
Complete the Air part of the pentagram.
Complete the Spirit part of the pentagram.
Complete the Fire part of the pentagram.
Destroy a door handle.
Find the axe.
Pot the black snooker ball.
Find 60% of collectables.
Find the flamethrower.
Read Jess' diary entries.
Complete the Water part of the pentagram.
Find 40% of collectables.
Destroy a Russian doll.
Read Chloe's diary entries.
Light the candle.
Complete the ending with restraint.
Find 100% of collectables in a single playthrough.
Destroy all of the Russian dolls.
Complete the game without lighting any wall candles.
Find 100% of collectables.