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