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.
Complete the game without lighting any wall candles.
Complete the ending with restraint.
Find 100% of collectables in a single playthrough.
Find 100% of collectables.
Cook the crow.
Destroy all of the Russian dolls.
Complete the Earth part of the pentagram.
Find all of the family photographs.
Burn the whale.
Read Jess' diary entries.
Complete the Air part of the pentagram.
Find 80% of collectables.
Complete the Spirit part of the pentagram.
Dunk the basketball.
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.
Find 40% of collectables.
Read Chloe's diary entries.
Feed the crow.
Destroy a Russian doll.
Light the candle.